Home / 30,672.27-42,332.02-17,244.36

Finding the Fourth Proportional to 30,672.27, 42,332.02 and 17,244.36

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Solution

The fourth proportional to 30,672.27, 42,332.02 and 17,244.36 is: 23,799.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,672.27 : 42,332.02 = 17,244.36 : x
  2. Step 2: Convert to fraction form
    30,672.27/42,332.02 = 17,244.36/x
  3. Step 3: Cross multiply
    30,672.27x = 42,332.02 × 17,244.36
  4. Step 4: Simplify right side
    30,672.27x = 729,988,549.30
  5. Step 5: Solve for x
    x = 729,988,549.30/30,672.27
  6. Step 6: Final answer
    x = 23,799.63

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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.