Home / 40,362.76-60,557.11-12,288.24

Finding the Fourth Proportional to 40,362.76, 60,557.11 and 12,288.24

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Solution

The fourth proportional to 40,362.76, 60,557.11 and 12,288.24 is: 18,436.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,362.76 : 60,557.11 = 12,288.24 : x
  2. Step 2: Convert to fraction form
    40,362.76/60,557.11 = 12,288.24/x
  3. Step 3: Cross multiply
    40,362.76x = 60,557.11 × 12,288.24
  4. Step 4: Simplify right side
    40,362.76x = 744,140,508.86
  5. Step 5: Solve for x
    x = 744,140,508.86/40,362.76
  6. Step 6: Final answer
    x = 18,436.32

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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.