Home / 57,014.38-78,673.02-31,517.32

Finding the Fourth Proportional to 57,014.38, 78,673.02 and 31,517.32

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Solution

The fourth proportional to 57,014.38, 78,673.02 and 31,517.32 is: 43,490.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,014.38 : 78,673.02 = 31,517.32 : x
  2. Step 2: Convert to fraction form
    57,014.38/78,673.02 = 31,517.32/x
  3. Step 3: Cross multiply
    57,014.38x = 78,673.02 × 31,517.32
  4. Step 4: Simplify right side
    57,014.38x = 2,479,562,746.71
  5. Step 5: Solve for x
    x = 2,479,562,746.71/57,014.38
  6. Step 6: Final answer
    x = 43,490.13

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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.