Home / 38,699.10-58,010.96-20,000.24

Finding the Fourth Proportional to 38,699.10, 58,010.96 and 20,000.24

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Solution

The fourth proportional to 38,699.10, 58,010.96 and 20,000.24 is: 29,980.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,699.10 : 58,010.96 = 20,000.24 : x
  2. Step 2: Convert to fraction form
    38,699.10/58,010.96 = 20,000.24/x
  3. Step 3: Cross multiply
    38,699.10x = 58,010.96 × 20,000.24
  4. Step 4: Simplify right side
    38,699.10x = 1,160,233,122.63
  5. Step 5: Solve for x
    x = 1,160,233,122.63/38,699.10
  6. Step 6: Final answer
    x = 29,980.88

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1.5x scale

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.