Home / 51,265.20-76,897.80-40,897.20

Finding the Fourth Proportional to 51,265.20, 76,897.80 and 40,897.20

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Solution

The fourth proportional to 51,265.20, 76,897.80 and 40,897.20 is: 61,345.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,265.20 : 76,897.80 = 40,897.20 : x
  2. Step 2: Convert to fraction form
    51,265.20/76,897.80 = 40,897.20/x
  3. Step 3: Cross multiply
    51,265.20x = 76,897.80 × 40,897.20
  4. Step 4: Simplify right side
    51,265.20x = 3,144,904,706.16
  5. Step 5: Solve for x
    x = 3,144,904,706.16/51,265.20
  6. Step 6: Final answer
    x = 61,345.80

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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.