Home / 47,980.30-72,032.82-36,894.78

Finding the Fourth Proportional to 47,980.30, 72,032.82 and 36,894.78

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Solution

The fourth proportional to 47,980.30, 72,032.82 and 36,894.78 is: 55,390.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,980.30 : 72,032.82 = 36,894.78 : x
  2. Step 2: Convert to fraction form
    47,980.30/72,032.82 = 36,894.78/x
  3. Step 3: Cross multiply
    47,980.30x = 72,032.82 × 36,894.78
  4. Step 4: Simplify right side
    47,980.30x = 2,657,635,046.68
  5. Step 5: Solve for x
    x = 2,657,635,046.68/47,980.30
  6. Step 6: Final answer
    x = 55,390.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.