Home / 39,348.05-54,298.73-21,442.68

Finding the Fourth Proportional to 39,348.05, 54,298.73 and 21,442.68

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Solution

The fourth proportional to 39,348.05, 54,298.73 and 21,442.68 is: 29,590.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,348.05 : 54,298.73 = 21,442.68 : x
  2. Step 2: Convert to fraction form
    39,348.05/54,298.73 = 21,442.68/x
  3. Step 3: Cross multiply
    39,348.05x = 54,298.73 × 21,442.68
  4. Step 4: Simplify right side
    39,348.05x = 1,164,310,345.40
  5. Step 5: Solve for x
    x = 1,164,310,345.40/39,348.05
  6. Step 6: Final answer
    x = 29,590.04

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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.