Home / 30,612.64-42,246.06-17,184.88

Finding the Fourth Proportional to 30,612.64, 42,246.06 and 17,184.88

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Solution

The fourth proportional to 30,612.64, 42,246.06 and 17,184.88 is: 23,715.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,612.64 : 42,246.06 = 17,184.88 : x
  2. Step 2: Convert to fraction form
    30,612.64/42,246.06 = 17,184.88/x
  3. Step 3: Cross multiply
    30,612.64x = 42,246.06 × 17,184.88
  4. Step 4: Simplify right side
    30,612.64x = 725,993,471.57
  5. Step 5: Solve for x
    x = 725,993,471.57/30,612.64
  6. Step 6: Final answer
    x = 23,715.48

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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.