Home / 30,479.67-42,064.17-17,055.24

Finding the Fourth Proportional to 30,479.67, 42,064.17 and 17,055.24

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Solution

The fourth proportional to 30,479.67, 42,064.17 and 17,055.24 is: 23,537.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,479.67 : 42,064.17 = 17,055.24 : x
  2. Step 2: Convert to fraction form
    30,479.67/42,064.17 = 17,055.24/x
  3. Step 3: Cross multiply
    30,479.67x = 42,064.17 × 17,055.24
  4. Step 4: Simplify right side
    30,479.67x = 717,414,514.75
  5. Step 5: Solve for x
    x = 717,414,514.75/30,479.67
  6. Step 6: Final answer
    x = 23,537.48

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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.