Home / 42,479.10-63,971.49-36,998.61

Finding the Fourth Proportional to 42,479.10, 63,971.49 and 36,998.61

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Solution

The fourth proportional to 42,479.10, 63,971.49 and 36,998.61 is: 55,718.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,479.10 : 63,971.49 = 36,998.61 : x
  2. Step 2: Convert to fraction form
    42,479.10/63,971.49 = 36,998.61/x
  3. Step 3: Cross multiply
    42,479.10x = 63,971.49 × 36,998.61
  4. Step 4: Simplify right side
    42,479.10x = 2,366,855,900.36
  5. Step 5: Solve for x
    x = 2,366,855,900.36/42,479.10
  6. Step 6: Final answer
    x = 55,718.13

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.