Home / 30,826.03-42,540.07-17,397.85

Finding the Fourth Proportional to 30,826.03, 42,540.07 and 17,397.85

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Solution

The fourth proportional to 30,826.03, 42,540.07 and 17,397.85 is: 24,009.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,826.03 : 42,540.07 = 17,397.85 : x
  2. Step 2: Convert to fraction form
    30,826.03/42,540.07 = 17,397.85/x
  3. Step 3: Cross multiply
    30,826.03x = 42,540.07 × 17,397.85
  4. Step 4: Simplify right side
    30,826.03x = 740,105,607.00
  5. Step 5: Solve for x
    x = 740,105,607.00/30,826.03
  6. Step 6: Final answer
    x = 24,009.11

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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.