Home / 45,151.56-67,732.14-13,989.24

Finding the Fourth Proportional to 45,151.56, 67,732.14 and 13,989.24

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Solution

The fourth proportional to 45,151.56, 67,732.14 and 13,989.24 is: 20,985.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,151.56 : 67,732.14 = 13,989.24 : x
  2. Step 2: Convert to fraction form
    45,151.56/67,732.14 = 13,989.24/x
  3. Step 3: Cross multiply
    45,151.56x = 67,732.14 × 13,989.24
  4. Step 4: Simplify right side
    45,151.56x = 947,521,162.17
  5. Step 5: Solve for x
    x = 947,521,162.17/45,151.56
  6. Step 6: Final answer
    x = 20,985.35

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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.