Home / 50,460.97-75,726.59-20,878.96

Finding the Fourth Proportional to 50,460.97, 75,726.59 and 20,878.96

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Solution

The fourth proportional to 50,460.97, 75,726.59 and 20,878.96 is: 31,332.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,460.97 : 75,726.59 = 20,878.96 : x
  2. Step 2: Convert to fraction form
    50,460.97/75,726.59 = 20,878.96/x
  3. Step 3: Cross multiply
    50,460.97x = 75,726.59 × 20,878.96
  4. Step 4: Simplify right side
    50,460.97x = 1,581,092,443.55
  5. Step 5: Solve for x
    x = 1,581,092,443.55/50,460.97
  6. Step 6: Final answer
    x = 31,332.98

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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.