Home / 50,439.47-69,603.95-27,780.42

Finding the Fourth Proportional to 50,439.47, 69,603.95 and 27,780.42

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Solution

The fourth proportional to 50,439.47, 69,603.95 and 27,780.42 is: 38,335.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,439.47 : 69,603.95 = 27,780.42 : x
  2. Step 2: Convert to fraction form
    50,439.47/69,603.95 = 27,780.42/x
  3. Step 3: Cross multiply
    50,439.47x = 69,603.95 × 27,780.42
  4. Step 4: Simplify right side
    50,439.47x = 1,933,626,964.66
  5. Step 5: Solve for x
    x = 1,933,626,964.66/50,439.47
  6. Step 6: Final answer
    x = 38,335.59

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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.