Home / 30,671.24-42,325.22-17,059.20

Finding the Fourth Proportional to 30,671.24, 42,325.22 and 17,059.20

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Solution

The fourth proportional to 30,671.24, 42,325.22 and 17,059.20 is: 23,541.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,671.24 : 42,325.22 = 17,059.20 : x
  2. Step 2: Convert to fraction form
    30,671.24/42,325.22 = 17,059.20/x
  3. Step 3: Cross multiply
    30,671.24x = 42,325.22 × 17,059.20
  4. Step 4: Simplify right side
    30,671.24x = 722,034,307.73
  5. Step 5: Solve for x
    x = 722,034,307.73/30,671.24
  6. Step 6: Final answer
    x = 23,541.09

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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.