Home / 47,112.30-70,666.56-15,947.55

Finding the Fourth Proportional to 47,112.30, 70,666.56 and 15,947.55

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Solution

The fourth proportional to 47,112.30, 70,666.56 and 15,947.55 is: 23,920.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,112.30 : 70,666.56 = 15,947.55 : x
  2. Step 2: Convert to fraction form
    47,112.30/70,666.56 = 15,947.55/x
  3. Step 3: Cross multiply
    47,112.30x = 70,666.56 × 15,947.55
  4. Step 4: Simplify right side
    47,112.30x = 1,126,958,498.93
  5. Step 5: Solve for x
    x = 1,126,958,498.93/47,112.30
  6. Step 6: Final answer
    x = 23,920.69

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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.