Home / 55,306.30-82,959.45-18,370.30

Finding the Fourth Proportional to 55,306.30, 82,959.45 and 18,370.30

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Solution

The fourth proportional to 55,306.30, 82,959.45 and 18,370.30 is: 27,555.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,306.30 : 82,959.45 = 18,370.30 : x
  2. Step 2: Convert to fraction form
    55,306.30/82,959.45 = 18,370.30/x
  3. Step 3: Cross multiply
    55,306.30x = 82,959.45 × 18,370.30
  4. Step 4: Simplify right side
    55,306.30x = 1,523,989,984.34
  5. Step 5: Solve for x
    x = 1,523,989,984.34/55,306.30
  6. Step 6: Final answer
    x = 27,555.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.