Home / 47,885.40-66,081.78-26,666.52

Finding the Fourth Proportional to 47,885.40, 66,081.78 and 26,666.52

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Solution

The fourth proportional to 47,885.40, 66,081.78 and 26,666.52 is: 36,799.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,885.40 : 66,081.78 = 26,666.52 : x
  2. Step 2: Convert to fraction form
    47,885.40/66,081.78 = 26,666.52/x
  3. Step 3: Cross multiply
    47,885.40x = 66,081.78 × 26,666.52
  4. Step 4: Simplify right side
    47,885.40x = 1,762,171,108.01
  5. Step 5: Solve for x
    x = 1,762,171,108.01/47,885.40
  6. Step 6: Final answer
    x = 36,799.76

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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.