Home / 52,281.16-72,148.65-28,408.23

Finding the Fourth Proportional to 52,281.16, 72,148.65 and 28,408.23

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Solution

The fourth proportional to 52,281.16, 72,148.65 and 28,408.23 is: 39,203.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,281.16 : 72,148.65 = 28,408.23 : x
  2. Step 2: Convert to fraction form
    52,281.16/72,148.65 = 28,408.23/x
  3. Step 3: Cross multiply
    52,281.16x = 72,148.65 × 28,408.23
  4. Step 4: Simplify right side
    52,281.16x = 2,049,615,443.39
  5. Step 5: Solve for x
    x = 2,049,615,443.39/52,281.16
  6. Step 6: Final answer
    x = 39,203.71

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Half scale
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Double scale
Find fourth proportional to 52,282.16, 72,150.03 and 28,409.23
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.