Home / 39,437.57-54,423.43-21,532.52

Finding the Fourth Proportional to 39,437.57, 54,423.43 and 21,532.52

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Solution

The fourth proportional to 39,437.57, 54,423.43 and 21,532.52 is: 29,714.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,437.57 : 54,423.43 = 21,532.52 : x
  2. Step 2: Convert to fraction form
    39,437.57/54,423.43 = 21,532.52/x
  3. Step 3: Cross multiply
    39,437.57x = 54,423.43 × 21,532.52
  4. Step 4: Simplify right side
    39,437.57x = 1,171,873,594.94
  5. Step 5: Solve for x
    x = 1,171,873,594.94/39,437.57
  6. Step 6: Final answer
    x = 29,714.65

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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.