Home / 55,853.50-77,077.83-31,988.08

Finding the Fourth Proportional to 55,853.50, 77,077.83 and 31,988.08

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Solution

The fourth proportional to 55,853.50, 77,077.83 and 31,988.08 is: 44,143.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,853.50 : 77,077.83 = 31,988.08 : x
  2. Step 2: Convert to fraction form
    55,853.50/77,077.83 = 31,988.08/x
  3. Step 3: Cross multiply
    55,853.50x = 77,077.83 × 31,988.08
  4. Step 4: Simplify right side
    55,853.50x = 2,465,571,792.27
  5. Step 5: Solve for x
    x = 2,465,571,792.27/55,853.50
  6. Step 6: Final answer
    x = 44,143.55

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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.