Home / 60,400.11-90,587.61-30,406.08

Finding the Fourth Proportional to 60,400.11, 90,587.61 and 30,406.08

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Solution

The fourth proportional to 60,400.11, 90,587.61 and 30,406.08 is: 45,602.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,400.11 : 90,587.61 = 30,406.08 : x
  2. Step 2: Convert to fraction form
    60,400.11/90,587.61 = 30,406.08/x
  3. Step 3: Cross multiply
    60,400.11x = 90,587.61 × 30,406.08
  4. Step 4: Simplify right side
    60,400.11x = 2,754,414,116.67
  5. Step 5: Solve for x
    x = 2,754,414,116.67/60,400.11
  6. Step 6: Final answer
    x = 45,602.80

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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.