Home / 30,860.91-42,591.21-22,254.18

Finding the Fourth Proportional to 30,860.91, 42,591.21 and 22,254.18

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Solution

The fourth proportional to 30,860.91, 42,591.21 and 22,254.18 is: 30,713.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,860.91 : 42,591.21 = 22,254.18 : x
  2. Step 2: Convert to fraction form
    30,860.91/42,591.21 = 22,254.18/x
  3. Step 3: Cross multiply
    30,860.91x = 42,591.21 × 22,254.18
  4. Step 4: Simplify right side
    30,860.91x = 947,832,453.76
  5. Step 5: Solve for x
    x = 947,832,453.76/30,860.91
  6. Step 6: Final answer
    x = 30,713.04

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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.