Home / 40,319.92-60,459.02-18,114.30

Finding the Fourth Proportional to 40,319.92, 60,459.02 and 18,114.30

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Solution

The fourth proportional to 40,319.92, 60,459.02 and 18,114.30 is: 27,162.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,319.92 : 60,459.02 = 18,114.30 : x
  2. Step 2: Convert to fraction form
    40,319.92/60,459.02 = 18,114.30/x
  3. Step 3: Cross multiply
    40,319.92x = 60,459.02 × 18,114.30
  4. Step 4: Simplify right side
    40,319.92x = 1,095,172,825.99
  5. Step 5: Solve for x
    x = 1,095,172,825.99/40,319.92
  6. Step 6: Final answer
    x = 27,162.08

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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.