Home / 51,034.04-70,432.80-28,375.28

Finding the Fourth Proportional to 51,034.04, 70,432.80 and 28,375.28

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Solution

The fourth proportional to 51,034.04, 70,432.80 and 28,375.28 is: 39,161.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,034.04 : 70,432.80 = 28,375.28 : x
  2. Step 2: Convert to fraction form
    51,034.04/70,432.80 = 28,375.28/x
  3. Step 3: Cross multiply
    51,034.04x = 70,432.80 × 28,375.28
  4. Step 4: Simplify right side
    51,034.04x = 1,998,550,421.18
  5. Step 5: Solve for x
    x = 1,998,550,421.18/51,034.04
  6. Step 6: Final answer
    x = 39,161.13

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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.