Home / 30,826.22-42,540.32-17,398.04

Finding the Fourth Proportional to 30,826.22, 42,540.32 and 17,398.04

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Solution

The fourth proportional to 30,826.22, 42,540.32 and 17,398.04 is: 24,009.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,826.22 : 42,540.32 = 17,398.04 : x
  2. Step 2: Convert to fraction form
    30,826.22/42,540.32 = 17,398.04/x
  3. Step 3: Cross multiply
    30,826.22x = 42,540.32 × 17,398.04
  4. Step 4: Simplify right side
    30,826.22x = 740,118,019.77
  5. Step 5: Solve for x
    x = 740,118,019.77/30,826.22
  6. Step 6: Final answer
    x = 24,009.37

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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.