Home / 29,188.81-40,248.52-19,740.97

Finding the Fourth Proportional to 29,188.81, 40,248.52 and 19,740.97

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Solution

The fourth proportional to 29,188.81, 40,248.52 and 19,740.97 is: 27,220.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,188.81 : 40,248.52 = 19,740.97 : x
  2. Step 2: Convert to fraction form
    29,188.81/40,248.52 = 19,740.97/x
  3. Step 3: Cross multiply
    29,188.81x = 40,248.52 × 19,740.97
  4. Step 4: Simplify right side
    29,188.81x = 794,544,825.86
  5. Step 5: Solve for x
    x = 794,544,825.86/29,188.81
  6. Step 6: Final answer
    x = 27,220.87

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1.5x scale

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.