Home / 39,084.80-53,937.24-21,179.82

Finding the Fourth Proportional to 39,084.80, 53,937.24 and 21,179.82

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Solution

The fourth proportional to 39,084.80, 53,937.24 and 21,179.82 is: 29,228.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,084.80 : 53,937.24 = 21,179.82 : x
  2. Step 2: Convert to fraction form
    39,084.80/53,937.24 = 21,179.82/x
  3. Step 3: Cross multiply
    39,084.80x = 53,937.24 × 21,179.82
  4. Step 4: Simplify right side
    39,084.80x = 1,142,381,034.50
  5. Step 5: Solve for x
    x = 1,142,381,034.50/39,084.80
  6. Step 6: Final answer
    x = 29,228.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.