Home / 51,487.30-71,053.23-31,345.04

Finding the Fourth Proportional to 51,487.30, 71,053.23 and 31,345.04

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Solution

The fourth proportional to 51,487.30, 71,053.23 and 31,345.04 is: 43,256.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,487.30 : 71,053.23 = 31,345.04 : x
  2. Step 2: Convert to fraction form
    51,487.30/71,053.23 = 31,345.04/x
  3. Step 3: Cross multiply
    51,487.30x = 71,053.23 × 31,345.04
  4. Step 4: Simplify right side
    51,487.30x = 2,227,166,336.48
  5. Step 5: Solve for x
    x = 2,227,166,336.48/51,487.30
  6. Step 6: Final answer
    x = 43,256.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.