Home / 30,127.17-45,193.01-10,136.71

Finding the Fourth Proportional to 30,127.17, 45,193.01 and 10,136.71

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Solution

The fourth proportional to 30,127.17, 45,193.01 and 10,136.71 is: 15,205.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,127.17 : 45,193.01 = 10,136.71 : x
  2. Step 2: Convert to fraction form
    30,127.17/45,193.01 = 10,136.71/x
  3. Step 3: Cross multiply
    30,127.17x = 45,193.01 × 10,136.71
  4. Step 4: Simplify right side
    30,127.17x = 458,108,442.20
  5. Step 5: Solve for x
    x = 458,108,442.20/30,127.17
  6. Step 6: Final answer
    x = 15,205.82

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Double scale
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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.