Home / 55,963.80-77,232.88-31,766.46

Finding the Fourth Proportional to 55,963.80, 77,232.88 and 31,766.46

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Solution

The fourth proportional to 55,963.80, 77,232.88 and 31,766.46 is: 43,839.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,963.80 : 77,232.88 = 31,766.46 : x
  2. Step 2: Convert to fraction form
    55,963.80/77,232.88 = 31,766.46/x
  3. Step 3: Cross multiply
    55,963.80x = 77,232.88 × 31,766.46
  4. Step 4: Simplify right side
    55,963.80x = 2,453,415,193.20
  5. Step 5: Solve for x
    x = 2,453,415,193.20/55,963.80
  6. Step 6: Final answer
    x = 43,839.32

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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.