Home / 30,960.75-42,726.26-17,531.72

Finding the Fourth Proportional to 30,960.75, 42,726.26 and 17,531.72

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Solution

The fourth proportional to 30,960.75, 42,726.26 and 17,531.72 is: 24,194.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,960.75 : 42,726.26 = 17,531.72 : x
  2. Step 2: Convert to fraction form
    30,960.75/42,726.26 = 17,531.72/x
  3. Step 3: Cross multiply
    30,960.75x = 42,726.26 × 17,531.72
  4. Step 4: Simplify right side
    30,960.75x = 749,064,525.68
  5. Step 5: Solve for x
    x = 749,064,525.68/30,960.75
  6. Step 6: Final answer
    x = 24,194.00

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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.