Home / 31,964.70-44,111.48-18,543.95

Finding the Fourth Proportional to 31,964.70, 44,111.48 and 18,543.95

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Solution

The fourth proportional to 31,964.70, 44,111.48 and 18,543.95 is: 25,590.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,964.70 : 44,111.48 = 18,543.95 : x
  2. Step 2: Convert to fraction form
    31,964.70/44,111.48 = 18,543.95/x
  3. Step 3: Cross multiply
    31,964.70x = 44,111.48 × 18,543.95
  4. Step 4: Simplify right side
    31,964.70x = 818,001,079.55
  5. Step 5: Solve for x
    x = 818,001,079.55/31,964.70
  6. Step 6: Final answer
    x = 25,590.76

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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.