Home / 51,348.62-70,760.15-39,262.78

Finding the Fourth Proportional to 51,348.62, 70,760.15 and 39,262.78

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Solution

The fourth proportional to 51,348.62, 70,760.15 and 39,262.78 is: 54,105.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,348.62 : 70,760.15 = 39,262.78 : x
  2. Step 2: Convert to fraction form
    51,348.62/70,760.15 = 39,262.78/x
  3. Step 3: Cross multiply
    51,348.62x = 70,760.15 × 39,262.78
  4. Step 4: Simplify right side
    51,348.62x = 2,778,239,829.00
  5. Step 5: Solve for x
    x = 2,778,239,829.00/51,348.62
  6. Step 6: Final answer
    x = 54,105.45

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1.5x scale

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.