Home / 30,562.84-42,176.87-17,134.66

Finding the Fourth Proportional to 30,562.84, 42,176.87 and 17,134.66

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Solution

The fourth proportional to 30,562.84, 42,176.87 and 17,134.66 is: 23,645.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,562.84 : 42,176.87 = 17,134.66 : x
  2. Step 2: Convert to fraction form
    30,562.84/42,176.87 = 17,134.66/x
  3. Step 3: Cross multiply
    30,562.84x = 42,176.87 × 17,134.66
  4. Step 4: Simplify right side
    30,562.84x = 722,686,327.31
  5. Step 5: Solve for x
    x = 722,686,327.31/30,562.84
  6. Step 6: Final answer
    x = 23,645.92

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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.