Home / 47,077.20-70,615.80-15,912.45

Finding the Fourth Proportional to 47,077.20, 70,615.80 and 15,912.45

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Solution

The fourth proportional to 47,077.20, 70,615.80 and 15,912.45 is: 23,868.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,077.20 : 70,615.80 = 15,912.45 : x
  2. Step 2: Convert to fraction form
    47,077.20/70,615.80 = 15,912.45/x
  3. Step 3: Cross multiply
    47,077.20x = 70,615.80 × 15,912.45
  4. Step 4: Simplify right side
    47,077.20x = 1,123,670,386.71
  5. Step 5: Solve for x
    x = 1,123,670,386.71/47,077.20
  6. Step 6: Final answer
    x = 23,868.68

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Similar ratio
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1.5x scale

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.