Home / 39,560.82-59,339.18-9,978.92

Finding the Fourth Proportional to 39,560.82, 59,339.18 and 9,978.92

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Solution

The fourth proportional to 39,560.82, 59,339.18 and 9,978.92 is: 14,967.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,560.82 : 59,339.18 = 9,978.92 : x
  2. Step 2: Convert to fraction form
    39,560.82/59,339.18 = 9,978.92/x
  3. Step 3: Cross multiply
    39,560.82x = 59,339.18 × 9,978.92
  4. Step 4: Simplify right side
    39,560.82x = 592,140,583.50
  5. Step 5: Solve for x
    x = 592,140,583.50/39,560.82
  6. Step 6: Final answer
    x = 14,967.85

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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.