Home / 58,446.15-87,679.28-21,010.11

Finding the Fourth Proportional to 58,446.15, 87,679.28 and 21,010.11

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Solution

The fourth proportional to 58,446.15, 87,679.28 and 21,010.11 is: 31,518.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,446.15 : 87,679.28 = 21,010.11 : x
  2. Step 2: Convert to fraction form
    58,446.15/87,679.28 = 21,010.11/x
  3. Step 3: Cross multiply
    58,446.15x = 87,679.28 × 21,010.11
  4. Step 4: Simplify right side
    58,446.15x = 1,842,151,317.52
  5. Step 5: Solve for x
    x = 1,842,151,317.52/58,446.15
  6. Step 6: Final answer
    x = 31,518.78

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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.