Home / 55,680.93-76,839.80-31,807.55

Finding the Fourth Proportional to 55,680.93, 76,839.80 and 31,807.55

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Solution

The fourth proportional to 55,680.93, 76,839.80 and 31,807.55 is: 43,894.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,680.93 : 76,839.80 = 31,807.55 : x
  2. Step 2: Convert to fraction form
    55,680.93/76,839.80 = 31,807.55/x
  3. Step 3: Cross multiply
    55,680.93x = 76,839.80 × 31,807.55
  4. Step 4: Simplify right side
    55,680.93x = 2,444,085,237.25
  5. Step 5: Solve for x
    x = 2,444,085,237.25/55,680.93
  6. Step 6: Final answer
    x = 43,894.48

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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.