Home / 30,052.20-45,085.68-10,331.04

Finding the Fourth Proportional to 30,052.20, 45,085.68 and 10,331.04

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Solution

The fourth proportional to 30,052.20, 45,085.68 and 10,331.04 is: 15,499.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,052.20 : 45,085.68 = 10,331.04 : x
  2. Step 2: Convert to fraction form
    30,052.20/45,085.68 = 10,331.04/x
  3. Step 3: Cross multiply
    30,052.20x = 45,085.68 × 10,331.04
  4. Step 4: Simplify right side
    30,052.20x = 465,781,963.51
  5. Step 5: Solve for x
    x = 465,781,963.51/30,052.20
  6. Step 6: Final answer
    x = 15,499.10

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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.