Home / 47,901.61-66,106.26-26,680.88

Finding the Fourth Proportional to 47,901.61, 66,106.26 and 26,680.88

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Solution

The fourth proportional to 47,901.61, 66,106.26 and 26,680.88 is: 36,820.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,901.61 : 66,106.26 = 26,680.88 : x
  2. Step 2: Convert to fraction form
    47,901.61/66,106.26 = 26,680.88/x
  3. Step 3: Cross multiply
    47,901.61x = 66,106.26 × 26,680.88
  4. Step 4: Simplify right side
    47,901.61x = 1,763,773,190.31
  5. Step 5: Solve for x
    x = 1,763,773,190.31/47,901.61
  6. Step 6: Final answer
    x = 36,820.75

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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.