Home / 30,479.27-42,062.98-17,050.75

Finding the Fourth Proportional to 30,479.27, 42,062.98 and 17,050.75

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Solution

The fourth proportional to 30,479.27, 42,062.98 and 17,050.75 is: 23,530.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,479.27 : 42,062.98 = 17,050.75 : x
  2. Step 2: Convert to fraction form
    30,479.27/42,062.98 = 17,050.75/x
  3. Step 3: Cross multiply
    30,479.27x = 42,062.98 × 17,050.75
  4. Step 4: Simplify right side
    30,479.27x = 717,205,208.45
  5. Step 5: Solve for x
    x = 717,205,208.45/30,479.27
  6. Step 6: Final answer
    x = 23,530.92

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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.