Home / 31,471.98-47,204.61-19,750.38

Finding the Fourth Proportional to 31,471.98, 47,204.61 and 19,750.38

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Solution

The fourth proportional to 31,471.98, 47,204.61 and 19,750.38 is: 29,623.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,471.98 : 47,204.61 = 19,750.38 : x
  2. Step 2: Convert to fraction form
    31,471.98/47,204.61 = 19,750.38/x
  3. Step 3: Cross multiply
    31,471.98x = 47,204.61 × 19,750.38
  4. Step 4: Simplify right side
    31,471.98x = 932,308,985.25
  5. Step 5: Solve for x
    x = 932,308,985.25/31,471.98
  6. Step 6: Final answer
    x = 29,623.46

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1.5x scale

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.