Home / 60,459.41-90,689.33-18,339.86

Finding the Fourth Proportional to 60,459.41, 90,689.33 and 18,339.86

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Solution

The fourth proportional to 60,459.41, 90,689.33 and 18,339.86 is: 27,509.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,459.41 : 90,689.33 = 18,339.86 : x
  2. Step 2: Convert to fraction form
    60,459.41/90,689.33 = 18,339.86/x
  3. Step 3: Cross multiply
    60,459.41x = 90,689.33 × 18,339.86
  4. Step 4: Simplify right side
    60,459.41x = 1,663,229,070.55
  5. Step 5: Solve for x
    x = 1,663,229,070.55/60,459.41
  6. Step 6: Final answer
    x = 27,509.85

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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.