Home / 20,344.57-30,490.88-17,701.03

Finding the Fourth Proportional to 20,344.57, 30,490.88 and 17,701.03

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Solution

The fourth proportional to 20,344.57, 30,490.88 and 17,701.03 is: 26,528.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,344.57 : 30,490.88 = 17,701.03 : x
  2. Step 2: Convert to fraction form
    20,344.57/30,490.88 = 17,701.03/x
  3. Step 3: Cross multiply
    20,344.57x = 30,490.88 × 17,701.03
  4. Step 4: Simplify right side
    20,344.57x = 539,720,030.78
  5. Step 5: Solve for x
    x = 539,720,030.78/20,344.57
  6. Step 6: Final answer
    x = 26,528.95

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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.