Home / 52,454.83-78,715.04-21,290.08

Finding the Fourth Proportional to 52,454.83, 78,715.04 and 21,290.08

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Solution

The fourth proportional to 52,454.83, 78,715.04 and 21,290.08 is: 31,948.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,454.83 : 78,715.04 = 21,290.08 : x
  2. Step 2: Convert to fraction form
    52,454.83/78,715.04 = 21,290.08/x
  3. Step 3: Cross multiply
    52,454.83x = 78,715.04 × 21,290.08
  4. Step 4: Simplify right side
    52,454.83x = 1,675,849,498.80
  5. Step 5: Solve for x
    x = 1,675,849,498.80/52,454.83
  6. Step 6: Final answer
    x = 31,948.43

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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.