Home / 30,567.52-42,184.26-17,138.95

Finding the Fourth Proportional to 30,567.52, 42,184.26 and 17,138.95

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Solution

The fourth proportional to 30,567.52, 42,184.26 and 17,138.95 is: 23,652.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,567.52 : 42,184.26 = 17,138.95 : x
  2. Step 2: Convert to fraction form
    30,567.52/42,184.26 = 17,138.95/x
  3. Step 3: Cross multiply
    30,567.52x = 42,184.26 × 17,138.95
  4. Step 4: Simplify right side
    30,567.52x = 722,993,922.93
  5. Step 5: Solve for x
    x = 722,993,922.93/30,567.52
  6. Step 6: Final answer
    x = 23,652.36

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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.