Home / 47,909.23-66,043.85-30,679.77

Finding the Fourth Proportional to 47,909.23, 66,043.85 and 30,679.77

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Solution

The fourth proportional to 47,909.23, 66,043.85 and 30,679.77 is: 42,292.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,909.23 : 66,043.85 = 30,679.77 : x
  2. Step 2: Convert to fraction form
    47,909.23/66,043.85 = 30,679.77/x
  3. Step 3: Cross multiply
    47,909.23x = 66,043.85 × 30,679.77
  4. Step 4: Simplify right side
    47,909.23x = 2,026,209,974.52
  5. Step 5: Solve for x
    x = 2,026,209,974.52/47,909.23
  6. Step 6: Final answer
    x = 42,292.69

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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.