Home / 73,598.13-110,398.28-21,007.65

Finding the Fourth Proportional to 73,598.13, 110,398.28 and 21,007.65

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Solution

The fourth proportional to 73,598.13, 110,398.28 and 21,007.65 is: 31,511.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,598.13 : 110,398.28 = 21,007.65 : x
  2. Step 2: Convert to fraction form
    73,598.13/110,398.28 = 21,007.65/x
  3. Step 3: Cross multiply
    73,598.13x = 110,398.28 × 21,007.65
  4. Step 4: Simplify right side
    73,598.13x = 2,319,208,426.84
  5. Step 5: Solve for x
    x = 2,319,208,426.84/73,598.13
  6. Step 6: Final answer
    x = 31,511.78

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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.