Home / 30,480.29-45,723.52-11,500.17

Finding the Fourth Proportional to 30,480.29, 45,723.52 and 11,500.17

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Solution

The fourth proportional to 30,480.29, 45,723.52 and 11,500.17 is: 17,251.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,480.29 : 45,723.52 = 11,500.17 : x
  2. Step 2: Convert to fraction form
    30,480.29/45,723.52 = 11,500.17/x
  3. Step 3: Cross multiply
    30,480.29x = 45,723.52 × 11,500.17
  4. Step 4: Simplify right side
    30,480.29x = 525,828,353.11
  5. Step 5: Solve for x
    x = 525,828,353.11/30,480.29
  6. Step 6: Final answer
    x = 17,251.42

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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.