Home / 30,113.20-45,151.56-13,470.13

Finding the Fourth Proportional to 30,113.20, 45,151.56 and 13,470.13

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Solution

The fourth proportional to 30,113.20, 45,151.56 and 13,470.13 is: 20,197.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,113.20 : 45,151.56 = 13,470.13 : x
  2. Step 2: Convert to fraction form
    30,113.20/45,151.56 = 13,470.13/x
  3. Step 3: Cross multiply
    30,113.20x = 45,151.56 × 13,470.13
  4. Step 4: Simplify right side
    30,113.20x = 608,197,382.90
  5. Step 5: Solve for x
    x = 608,197,382.90/30,113.20
  6. Step 6: Final answer
    x = 20,197.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.