Home / 47,600.28-65,688.48-28,737.54

Finding the Fourth Proportional to 47,600.28, 65,688.48 and 28,737.54

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Solution

The fourth proportional to 47,600.28, 65,688.48 and 28,737.54 is: 39,657.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,600.28 : 65,688.48 = 28,737.54 : x
  2. Step 2: Convert to fraction form
    47,600.28/65,688.48 = 28,737.54/x
  3. Step 3: Cross multiply
    47,600.28x = 65,688.48 × 28,737.54
  4. Step 4: Simplify right side
    47,600.28x = 1,887,725,321.54
  5. Step 5: Solve for x
    x = 1,887,725,321.54/47,600.28
  6. Step 6: Final answer
    x = 39,657.86

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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.