Home / 39,430.24-54,275.61-34,385.56

Finding the Fourth Proportional to 39,430.24, 54,275.61 and 34,385.56

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Solution

The fourth proportional to 39,430.24, 54,275.61 and 34,385.56 is: 47,331.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,430.24 : 54,275.61 = 34,385.56 : x
  2. Step 2: Convert to fraction form
    39,430.24/54,275.61 = 34,385.56/x
  3. Step 3: Cross multiply
    39,430.24x = 54,275.61 × 34,385.56
  4. Step 4: Simplify right side
    39,430.24x = 1,866,297,244.19
  5. Step 5: Solve for x
    x = 1,866,297,244.19/39,430.24
  6. Step 6: Final answer
    x = 47,331.62

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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.