Home / 52,281.55-72,148.42-28,408.33

Finding the Fourth Proportional to 52,281.55, 72,148.42 and 28,408.33

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Solution

The fourth proportional to 52,281.55, 72,148.42 and 28,408.33 is: 39,203.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,281.55 : 72,148.42 = 28,408.33 : x
  2. Step 2: Convert to fraction form
    52,281.55/72,148.42 = 28,408.33/x
  3. Step 3: Cross multiply
    52,281.55x = 72,148.42 × 28,408.33
  4. Step 4: Simplify right side
    52,281.55x = 2,049,616,124.34
  5. Step 5: Solve for x
    x = 2,049,616,124.34/52,281.55
  6. Step 6: Final answer
    x = 39,203.43

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Double scale
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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.