Home / 52,281.85-72,148.81-28,408.52

Finding the Fourth Proportional to 52,281.85, 72,148.81 and 28,408.52

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Solution

The fourth proportional to 52,281.85, 72,148.81 and 28,408.52 is: 39,203.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,281.85 : 72,148.81 = 28,408.52 : x
  2. Step 2: Convert to fraction form
    52,281.85/72,148.81 = 28,408.52/x
  3. Step 3: Cross multiply
    52,281.85x = 72,148.81 × 28,408.52
  4. Step 4: Simplify right side
    52,281.85x = 2,049,640,840.84
  5. Step 5: Solve for x
    x = 2,049,640,840.84/52,281.85
  6. Step 6: Final answer
    x = 39,203.68

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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.