Home / 38,877.96-58,342.68-21,360

Finding the Fourth Proportional to 38,877.96, 58,342.68 and 21,360

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Solution

The fourth proportional to 38,877.96, 58,342.68 and 21,360 is: 32,054.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,877.96 : 58,342.68 = 21,360 : x
  2. Step 2: Convert to fraction form
    38,877.96/58,342.68 = 21,360/x
  3. Step 3: Cross multiply
    38,877.96x = 58,342.68 × 21,360
  4. Step 4: Simplify right side
    38,877.96x = 1,246,199,644.80
  5. Step 5: Solve for x
    x = 1,246,199,644.80/38,877.96
  6. Step 6: Final answer
    x = 32,054.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.