Home / 30,061.83-45,093.05-13,422.71

Finding the Fourth Proportional to 30,061.83, 45,093.05 and 13,422.71

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Solution

The fourth proportional to 30,061.83, 45,093.05 and 13,422.71 is: 20,134.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,061.83 : 45,093.05 = 13,422.71 : x
  2. Step 2: Convert to fraction form
    30,061.83/45,093.05 = 13,422.71/x
  3. Step 3: Cross multiply
    30,061.83x = 45,093.05 × 13,422.71
  4. Step 4: Simplify right side
    30,061.83x = 605,270,640.59
  5. Step 5: Solve for x
    x = 605,270,640.59/30,061.83
  6. Step 6: Final answer
    x = 20,134.19

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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.