Home / 39,348.30-54,299.08-21,442.93

Finding the Fourth Proportional to 39,348.30, 54,299.08 and 21,442.93

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Solution

The fourth proportional to 39,348.30, 54,299.08 and 21,442.93 is: 29,590.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,348.30 : 54,299.08 = 21,442.93 : x
  2. Step 2: Convert to fraction form
    39,348.30/54,299.08 = 21,442.93/x
  3. Step 3: Cross multiply
    39,348.30x = 54,299.08 × 21,442.93
  4. Step 4: Simplify right side
    39,348.30x = 1,164,331,371.50
  5. Step 5: Solve for x
    x = 1,164,331,371.50/39,348.30
  6. Step 6: Final answer
    x = 29,590.39

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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.