Home / 58,848.18-81,210.87-31,990.92

Finding the Fourth Proportional to 58,848.18, 81,210.87 and 31,990.92

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Solution

The fourth proportional to 58,848.18, 81,210.87 and 31,990.92 is: 44,147.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,848.18 : 81,210.87 = 31,990.92 : x
  2. Step 2: Convert to fraction form
    58,848.18/81,210.87 = 31,990.92/x
  3. Step 3: Cross multiply
    58,848.18x = 81,210.87 × 31,990.92
  4. Step 4: Simplify right side
    58,848.18x = 2,598,010,445.30
  5. Step 5: Solve for x
    x = 2,598,010,445.30/58,848.18
  6. Step 6: Final answer
    x = 44,147.68

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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.