Home / 47,909.48-66,113.70-27,766.76

Finding the Fourth Proportional to 47,909.48, 66,113.70 and 27,766.76

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Solution

The fourth proportional to 47,909.48, 66,113.70 and 27,766.76 is: 38,317.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,909.48 : 66,113.70 = 27,766.76 : x
  2. Step 2: Convert to fraction form
    47,909.48/66,113.70 = 27,766.76/x
  3. Step 3: Cross multiply
    47,909.48x = 66,113.70 × 27,766.76
  4. Step 4: Simplify right side
    47,909.48x = 1,835,763,240.61
  5. Step 5: Solve for x
    x = 1,835,763,240.61/47,909.48
  6. Step 6: Final answer
    x = 38,317.33

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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.