Home / 38,292.60-52,843.16-21,294.75

Finding the Fourth Proportional to 38,292.60, 52,843.16 and 21,294.75

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Solution

The fourth proportional to 38,292.60, 52,843.16 and 21,294.75 is: 29,386.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,292.60 : 52,843.16 = 21,294.75 : x
  2. Step 2: Convert to fraction form
    38,292.60/52,843.16 = 21,294.75/x
  3. Step 3: Cross multiply
    38,292.60x = 52,843.16 × 21,294.75
  4. Step 4: Simplify right side
    38,292.60x = 1,125,281,775.67
  5. Step 5: Solve for x
    x = 1,125,281,775.67/38,292.60
  6. Step 6: Final answer
    x = 29,386.40

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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.