Home / 39,436.83-54,423-21,532.24

Finding the Fourth Proportional to 39,436.83, 54,423 and 21,532.24

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Solution

The fourth proportional to 39,436.83, 54,423 and 21,532.24 is: 29,714.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,436.83 : 54,423 = 21,532.24 : x
  2. Step 2: Convert to fraction form
    39,436.83/54,423 = 21,532.24/x
  3. Step 3: Cross multiply
    39,436.83x = 54,423 × 21,532.24
  4. Step 4: Simplify right side
    39,436.83x = 1,171,849,097.52
  5. Step 5: Solve for x
    x = 1,171,849,097.52/39,436.83
  6. Step 6: Final answer
    x = 29,714.59

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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.