Home / 39,774.32-59,660.84-10,191.92

Finding the Fourth Proportional to 39,774.32, 59,660.84 and 10,191.92

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Solution

The fourth proportional to 39,774.32, 59,660.84 and 10,191.92 is: 15,287.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,774.32 : 59,660.84 = 10,191.92 : x
  2. Step 2: Convert to fraction form
    39,774.32/59,660.84 = 10,191.92/x
  3. Step 3: Cross multiply
    39,774.32x = 59,660.84 × 10,191.92
  4. Step 4: Simplify right side
    39,774.32x = 608,058,508.41
  5. Step 5: Solve for x
    x = 608,058,508.41/39,774.32
  6. Step 6: Final answer
    x = 15,287.72

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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.