Home / 47,444.30-71,167.70-20,776.51

Finding the Fourth Proportional to 47,444.30, 71,167.70 and 20,776.51

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Solution

The fourth proportional to 47,444.30, 71,167.70 and 20,776.51 is: 31,165.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,444.30 : 71,167.70 = 20,776.51 : x
  2. Step 2: Convert to fraction form
    47,444.30/71,167.70 = 20,776.51/x
  3. Step 3: Cross multiply
    47,444.30x = 71,167.70 × 20,776.51
  4. Step 4: Simplify right side
    47,444.30x = 1,478,616,304.75
  5. Step 5: Solve for x
    x = 1,478,616,304.75/47,444.30
  6. Step 6: Final answer
    x = 31,165.31

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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.