Home / 51,740.48-77,607.08-18,456.78

Finding the Fourth Proportional to 51,740.48, 77,607.08 and 18,456.78

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Solution

The fourth proportional to 51,740.48, 77,607.08 and 18,456.78 is: 27,683.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,740.48 : 77,607.08 = 18,456.78 : x
  2. Step 2: Convert to fraction form
    51,740.48/77,607.08 = 18,456.78/x
  3. Step 3: Cross multiply
    51,740.48x = 77,607.08 × 18,456.78
  4. Step 4: Simplify right side
    51,740.48x = 1,432,376,802.00
  5. Step 5: Solve for x
    x = 1,432,376,802.00/51,740.48
  6. Step 6: Final answer
    x = 27,683.87

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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.