Home / 30,659.16-42,307.02-17,229.36

Finding the Fourth Proportional to 30,659.16, 42,307.02 and 17,229.36

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Solution

The fourth proportional to 30,659.16, 42,307.02 and 17,229.36 is: 23,775.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,659.16 : 42,307.02 = 17,229.36 : x
  2. Step 2: Convert to fraction form
    30,659.16/42,307.02 = 17,229.36/x
  3. Step 3: Cross multiply
    30,659.16x = 42,307.02 × 17,229.36
  4. Step 4: Simplify right side
    30,659.16x = 728,922,878.11
  5. Step 5: Solve for x
    x = 728,922,878.11/30,659.16
  6. Step 6: Final answer
    x = 23,775.04

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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.