Home / 47,201.60-70,744.08-28,422.56

Finding the Fourth Proportional to 47,201.60, 70,744.08 and 28,422.56

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Solution

The fourth proportional to 47,201.60, 70,744.08 and 28,422.56 is: 42,598.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,201.60 : 70,744.08 = 28,422.56 : x
  2. Step 2: Convert to fraction form
    47,201.60/70,744.08 = 28,422.56/x
  3. Step 3: Cross multiply
    47,201.60x = 70,744.08 × 28,422.56
  4. Step 4: Simplify right side
    47,201.60x = 2,010,727,858.44
  5. Step 5: Solve for x
    x = 2,010,727,858.44/47,201.60
  6. Step 6: Final answer
    x = 42,598.72

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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.