Home / 47,437.78-71,009.04-29,870.70

Finding the Fourth Proportional to 47,437.78, 71,009.04 and 29,870.70

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Solution

The fourth proportional to 47,437.78, 71,009.04 and 29,870.70 is: 44,713.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,437.78 : 71,009.04 = 29,870.70 : x
  2. Step 2: Convert to fraction form
    47,437.78/71,009.04 = 29,870.70/x
  3. Step 3: Cross multiply
    47,437.78x = 71,009.04 × 29,870.70
  4. Step 4: Simplify right side
    47,437.78x = 2,121,089,731.13
  5. Step 5: Solve for x
    x = 2,121,089,731.13/47,437.78
  6. Step 6: Final answer
    x = 44,713.09

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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.