Home / 60,520.05-90,779.91-18,399.95

Finding the Fourth Proportional to 60,520.05, 90,779.91 and 18,399.95

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Solution

The fourth proportional to 60,520.05, 90,779.91 and 18,399.95 is: 27,599.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,520.05 : 90,779.91 = 18,399.95 : x
  2. Step 2: Convert to fraction form
    60,520.05/90,779.91 = 18,399.95/x
  3. Step 3: Cross multiply
    60,520.05x = 90,779.91 × 18,399.95
  4. Step 4: Simplify right side
    60,520.05x = 1,670,345,351.10
  5. Step 5: Solve for x
    x = 1,670,345,351.10/60,520.05
  6. Step 6: Final answer
    x = 27,599.87

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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.