Home / 82,496.32-123,722.40-23,318.08

Finding the Fourth Proportional to 82,496.32, 123,722.40 and 23,318.08

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Solution

The fourth proportional to 82,496.32, 123,722.40 and 23,318.08 is: 34,970.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,496.32 : 123,722.40 = 23,318.08 : x
  2. Step 2: Convert to fraction form
    82,496.32/123,722.40 = 23,318.08/x
  3. Step 3: Cross multiply
    82,496.32x = 123,722.40 × 23,318.08
  4. Step 4: Simplify right side
    82,496.32x = 2,884,968,820.99
  5. Step 5: Solve for x
    x = 2,884,968,820.99/82,496.32
  6. Step 6: Final answer
    x = 34,970.88

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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.