Home / 39,354.49-54,307.62-21,449.12

Finding the Fourth Proportional to 39,354.49, 54,307.62 and 21,449.12

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Solution

The fourth proportional to 39,354.49, 54,307.62 and 21,449.12 is: 29,598.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,354.49 : 54,307.62 = 21,449.12 : x
  2. Step 2: Convert to fraction form
    39,354.49/54,307.62 = 21,449.12/x
  3. Step 3: Cross multiply
    39,354.49x = 54,307.62 × 21,449.12
  4. Step 4: Simplify right side
    39,354.49x = 1,164,850,658.29
  5. Step 5: Solve for x
    x = 1,164,850,658.29/39,354.49
  6. Step 6: Final answer
    x = 29,598.93

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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.