Home / 60,515.00-90,711.19-30,438.36

Finding the Fourth Proportional to 60,515.00, 90,711.19 and 30,438.36

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Solution

The fourth proportional to 60,515.00, 90,711.19 and 30,438.36 is: 45,626.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,515.00 : 90,711.19 = 30,438.36 : x
  2. Step 2: Convert to fraction form
    60,515.00/90,711.19 = 30,438.36/x
  3. Step 3: Cross multiply
    60,515.00x = 90,711.19 × 30,438.36
  4. Step 4: Simplify right side
    60,515.00x = 2,761,099,895.30
  5. Step 5: Solve for x
    x = 2,761,099,895.30/60,515.00
  6. Step 6: Final answer
    x = 45,626.70

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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.