Home / 30,675.42-42,331.10-17,247.24

Finding the Fourth Proportional to 30,675.42, 42,331.10 and 17,247.24

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Solution

The fourth proportional to 30,675.42, 42,331.10 and 17,247.24 is: 23,800.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,675.42 : 42,331.10 = 17,247.24 : x
  2. Step 2: Convert to fraction form
    30,675.42/42,331.10 = 17,247.24/x
  3. Step 3: Cross multiply
    30,675.42x = 42,331.10 × 17,247.24
  4. Step 4: Simplify right side
    30,675.42x = 730,094,641.16
  5. Step 5: Solve for x
    x = 730,094,641.16/30,675.42
  6. Step 6: Final answer
    x = 23,800.64

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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.