Home / 30,508.27-42,104.00-17,079.35

Finding the Fourth Proportional to 30,508.27, 42,104.00 and 17,079.35

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Solution

The fourth proportional to 30,508.27, 42,104.00 and 17,079.35 is: 23,570.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,508.27 : 42,104.00 = 17,079.35 : x
  2. Step 2: Convert to fraction form
    30,508.27/42,104.00 = 17,079.35/x
  3. Step 3: Cross multiply
    30,508.27x = 42,104.00 × 17,079.35
  4. Step 4: Simplify right side
    30,508.27x = 719,108,784.58
  5. Step 5: Solve for x
    x = 719,108,784.58/30,508.27
  6. Step 6: Final answer
    x = 23,570.95

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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.