Home / 47,139.84-65,052.66-26,721.78

Finding the Fourth Proportional to 47,139.84, 65,052.66 and 26,721.78

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Solution

The fourth proportional to 47,139.84, 65,052.66 and 26,721.78 is: 36,875.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,139.84 : 65,052.66 = 26,721.78 : x
  2. Step 2: Convert to fraction form
    47,139.84/65,052.66 = 26,721.78/x
  3. Step 3: Cross multiply
    47,139.84x = 65,052.66 × 26,721.78
  4. Step 4: Simplify right side
    47,139.84x = 1,738,322,868.93
  5. Step 5: Solve for x
    x = 1,738,322,868.93/47,139.84
  6. Step 6: Final answer
    x = 36,875.88

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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.