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Finding the Fourth Proportional to 60,585.76, 83,561.04 and 39,371.92

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Solution

The fourth proportional to 60,585.76, 83,561.04 and 39,371.92 is: 54,302.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,585.76 : 83,561.04 = 39,371.92 : x
  2. Step 2: Convert to fraction form
    60,585.76/83,561.04 = 39,371.92/x
  3. Step 3: Cross multiply
    60,585.76x = 83,561.04 × 39,371.92
  4. Step 4: Simplify right side
    60,585.76x = 3,289,958,582.00
  5. Step 5: Solve for x
    x = 3,289,958,582.00/60,585.76
  6. Step 6: Final answer
    x = 54,302.51

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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.