Home / 47,458.04-71,206.70-20,790.24

Finding the Fourth Proportional to 47,458.04, 71,206.70 and 20,790.24

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Solution

The fourth proportional to 47,458.04, 71,206.70 and 20,790.24 is: 31,193.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,458.04 : 71,206.70 = 20,790.24 : x
  2. Step 2: Convert to fraction form
    47,458.04/71,206.70 = 20,790.24/x
  3. Step 3: Cross multiply
    47,458.04x = 71,206.70 × 20,790.24
  4. Step 4: Simplify right side
    47,458.04x = 1,480,404,278.66
  5. Step 5: Solve for x
    x = 1,480,404,278.66/47,458.04
  6. Step 6: Final answer
    x = 31,193.96

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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.