Home / 58,581.96-87,854.78-21,137.18

Finding the Fourth Proportional to 58,581.96, 87,854.78 and 21,137.18

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Solution

The fourth proportional to 58,581.96, 87,854.78 and 21,137.18 is: 31,699.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,581.96 : 87,854.78 = 21,137.18 : x
  2. Step 2: Convert to fraction form
    58,581.96/87,854.78 = 21,137.18/x
  3. Step 3: Cross multiply
    58,581.96x = 87,854.78 × 21,137.18
  4. Step 4: Simplify right side
    58,581.96x = 1,857,001,753.76
  5. Step 5: Solve for x
    x = 1,857,001,753.76/58,581.96
  6. Step 6: Final answer
    x = 31,699.21

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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.