Home / 30,612.12-42,246.92-17,184.68

Finding the Fourth Proportional to 30,612.12, 42,246.92 and 17,184.68

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Solution

The fourth proportional to 30,612.12, 42,246.92 and 17,184.68 is: 23,716.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,612.12 : 42,246.92 = 17,184.68 : x
  2. Step 2: Convert to fraction form
    30,612.12/42,246.92 = 17,184.68/x
  3. Step 3: Cross multiply
    30,612.12x = 42,246.92 × 17,184.68
  4. Step 4: Simplify right side
    30,612.12x = 725,999,801.19
  5. Step 5: Solve for x
    x = 725,999,801.19/30,612.12
  6. Step 6: Final answer
    x = 23,716.09

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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.