Home / 39,347.31-54,298.56-21,442.44

Finding the Fourth Proportional to 39,347.31, 54,298.56 and 21,442.44

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Solution

The fourth proportional to 39,347.31, 54,298.56 and 21,442.44 is: 29,590.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,347.31 : 54,298.56 = 21,442.44 : x
  2. Step 2: Convert to fraction form
    39,347.31/54,298.56 = 21,442.44/x
  3. Step 3: Cross multiply
    39,347.31x = 54,298.56 × 21,442.44
  4. Step 4: Simplify right side
    39,347.31x = 1,164,293,614.89
  5. Step 5: Solve for x
    x = 1,164,293,614.89/39,347.31
  6. Step 6: Final answer
    x = 29,590.17

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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.