Home / 82,330.40-123,495.24-20,001.08

Finding the Fourth Proportional to 82,330.40, 123,495.24 and 20,001.08

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Solution

The fourth proportional to 82,330.40, 123,495.24 and 20,001.08 is: 30,001.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,330.40 : 123,495.24 = 20,001.08 : x
  2. Step 2: Convert to fraction form
    82,330.40/123,495.24 = 20,001.08/x
  3. Step 3: Cross multiply
    82,330.40x = 123,495.24 × 20,001.08
  4. Step 4: Simplify right side
    82,330.40x = 2,470,038,174.86
  5. Step 5: Solve for x
    x = 2,470,038,174.86/82,330.40
  6. Step 6: Final answer
    x = 30,001.53

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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.