Home / 56,209.92-77,569.50-31,059.36

Finding the Fourth Proportional to 56,209.92, 77,569.50 and 31,059.36

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Solution

The fourth proportional to 56,209.92, 77,569.50 and 31,059.36 is: 42,861.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,209.92 : 77,569.50 = 31,059.36 : x
  2. Step 2: Convert to fraction form
    56,209.92/77,569.50 = 31,059.36/x
  3. Step 3: Cross multiply
    56,209.92x = 77,569.50 × 31,059.36
  4. Step 4: Simplify right side
    56,209.92x = 2,409,259,025.52
  5. Step 5: Solve for x
    x = 2,409,259,025.52/56,209.92
  6. Step 6: Final answer
    x = 42,861.81

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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.