Home / 30,824.88-42,538.32-17,398.95

Finding the Fourth Proportional to 30,824.88, 42,538.32 and 17,398.95

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Solution

The fourth proportional to 30,824.88, 42,538.32 and 17,398.95 is: 24,010.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,824.88 : 42,538.32 = 17,398.95 : x
  2. Step 2: Convert to fraction form
    30,824.88/42,538.32 = 17,398.95/x
  3. Step 3: Cross multiply
    30,824.88x = 42,538.32 × 17,398.95
  4. Step 4: Simplify right side
    30,824.88x = 740,122,102.76
  5. Step 5: Solve for x
    x = 740,122,102.76/30,824.88
  6. Step 6: Final answer
    x = 24,010.54

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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.