Home / 31,407.56-47,008.80-23,085.38

Finding the Fourth Proportional to 31,407.56, 47,008.80 and 23,085.38

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Solution

The fourth proportional to 31,407.56, 47,008.80 and 23,085.38 is: 34,552.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,407.56 : 47,008.80 = 23,085.38 : x
  2. Step 2: Convert to fraction form
    31,407.56/47,008.80 = 23,085.38/x
  3. Step 3: Cross multiply
    31,407.56x = 47,008.80 × 23,085.38
  4. Step 4: Simplify right side
    31,407.56x = 1,085,216,011.34
  5. Step 5: Solve for x
    x = 1,085,216,011.34/31,407.56
  6. Step 6: Final answer
    x = 34,552.70

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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.