Home / 30,562.16-42,178.38-17,645.60

Finding the Fourth Proportional to 30,562.16, 42,178.38 and 17,645.60

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Solution

The fourth proportional to 30,562.16, 42,178.38 and 17,645.60 is: 24,352.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,562.16 : 42,178.38 = 17,645.60 : x
  2. Step 2: Convert to fraction form
    30,562.16/42,178.38 = 17,645.60/x
  3. Step 3: Cross multiply
    30,562.16x = 42,178.38 × 17,645.60
  4. Step 4: Simplify right side
    30,562.16x = 744,262,822.13
  5. Step 5: Solve for x
    x = 744,262,822.13/30,562.16
  6. Step 6: Final answer
    x = 24,352.43

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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.