Home / 51,635.28-71,280.24-39,694.40

Finding the Fourth Proportional to 51,635.28, 71,280.24 and 39,694.40

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Solution

The fourth proportional to 51,635.28, 71,280.24 and 39,694.40 is: 54,796.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,635.28 : 71,280.24 = 39,694.40 : x
  2. Step 2: Convert to fraction form
    51,635.28/71,280.24 = 39,694.40/x
  3. Step 3: Cross multiply
    51,635.28x = 71,280.24 × 39,694.40
  4. Step 4: Simplify right side
    51,635.28x = 2,829,426,358.66
  5. Step 5: Solve for x
    x = 2,829,426,358.66/51,635.28
  6. Step 6: Final answer
    x = 54,796.38

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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.