Home / 52,319.20-72,200.64-28,445.92

Finding the Fourth Proportional to 52,319.20, 72,200.64 and 28,445.92

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Solution

The fourth proportional to 52,319.20, 72,200.64 and 28,445.92 is: 39,255.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,319.20 : 72,200.64 = 28,445.92 : x
  2. Step 2: Convert to fraction form
    52,319.20/72,200.64 = 28,445.92/x
  3. Step 3: Cross multiply
    52,319.20x = 72,200.64 × 28,445.92
  4. Step 4: Simplify right side
    52,319.20x = 2,053,813,629.39
  5. Step 5: Solve for x
    x = 2,053,813,629.39/52,319.20
  6. Step 6: Final answer
    x = 39,255.45

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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.