Home / 38,881.96-58,348.68-21,364

Finding the Fourth Proportional to 38,881.96, 58,348.68 and 21,364

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Solution

The fourth proportional to 38,881.96, 58,348.68 and 21,364 is: 32,060.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,881.96 : 58,348.68 = 21,364 : x
  2. Step 2: Convert to fraction form
    38,881.96/58,348.68 = 21,364/x
  3. Step 3: Cross multiply
    38,881.96x = 58,348.68 × 21,364
  4. Step 4: Simplify right side
    38,881.96x = 1,246,561,199.52
  5. Step 5: Solve for x
    x = 1,246,561,199.52/38,881.96
  6. Step 6: Final answer
    x = 32,060.14

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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.