Home / 51,008.76-70,387.61-28,346.33

Finding the Fourth Proportional to 51,008.76, 70,387.61 and 28,346.33

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Solution

The fourth proportional to 51,008.76, 70,387.61 and 28,346.33 is: 39,115.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,008.76 : 70,387.61 = 28,346.33 : x
  2. Step 2: Convert to fraction form
    51,008.76/70,387.61 = 28,346.33/x
  3. Step 3: Cross multiply
    51,008.76x = 70,387.61 × 28,346.33
  4. Step 4: Simplify right side
    51,008.76x = 1,995,229,927.30
  5. Step 5: Solve for x
    x = 1,995,229,927.30/51,008.76
  6. Step 6: Final answer
    x = 39,115.44

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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.