Home / 39,660.74-59,490.56-9,675.12

Finding the Fourth Proportional to 39,660.74, 59,490.56 and 9,675.12

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Solution

The fourth proportional to 39,660.74, 59,490.56 and 9,675.12 is: 14,512.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,660.74 : 59,490.56 = 9,675.12 : x
  2. Step 2: Convert to fraction form
    39,660.74/59,490.56 = 9,675.12/x
  3. Step 3: Cross multiply
    39,660.74x = 59,490.56 × 9,675.12
  4. Step 4: Simplify right side
    39,660.74x = 575,578,306.87
  5. Step 5: Solve for x
    x = 575,578,306.87/39,660.74
  6. Step 6: Final answer
    x = 14,512.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.