Home / 55,701.52-76,868.08-30,551.04

Finding the Fourth Proportional to 55,701.52, 76,868.08 and 30,551.04

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Solution

The fourth proportional to 55,701.52, 76,868.08 and 30,551.04 is: 42,160.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,701.52 : 76,868.08 = 30,551.04 : x
  2. Step 2: Convert to fraction form
    55,701.52/76,868.08 = 30,551.04/x
  3. Step 3: Cross multiply
    55,701.52x = 76,868.08 × 30,551.04
  4. Step 4: Simplify right side
    55,701.52x = 2,348,399,786.80
  5. Step 5: Solve for x
    x = 2,348,399,786.80/55,701.52
  6. Step 6: Final answer
    x = 42,160.43

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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.