Home / 47,948.60-66,197.42-42,628.70

Finding the Fourth Proportional to 47,948.60, 66,197.42 and 42,628.70

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Solution

The fourth proportional to 47,948.60, 66,197.42 and 42,628.70 is: 58,852.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,948.60 : 66,197.42 = 42,628.70 : x
  2. Step 2: Convert to fraction form
    47,948.60/66,197.42 = 42,628.70/x
  3. Step 3: Cross multiply
    47,948.60x = 66,197.42 × 42,628.70
  4. Step 4: Simplify right side
    47,948.60x = 2,821,910,123.77
  5. Step 5: Solve for x
    x = 2,821,910,123.77/47,948.60
  6. Step 6: Final answer
    x = 58,852.81

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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.