Home / 38,316.43-52,876.02-21,321.82

Finding the Fourth Proportional to 38,316.43, 52,876.02 and 21,321.82

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Solution

The fourth proportional to 38,316.43, 52,876.02 and 21,321.82 is: 29,423.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,316.43 : 52,876.02 = 21,321.82 : x
  2. Step 2: Convert to fraction form
    38,316.43/52,876.02 = 21,321.82/x
  3. Step 3: Cross multiply
    38,316.43x = 52,876.02 × 21,321.82
  4. Step 4: Simplify right side
    38,316.43x = 1,127,412,980.76
  5. Step 5: Solve for x
    x = 1,127,412,980.76/38,316.43
  6. Step 6: Final answer
    x = 29,423.75

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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.