Home / 30,190.32-45,279.25-10,462.21

Finding the Fourth Proportional to 30,190.32, 45,279.25 and 10,462.21

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Solution

The fourth proportional to 30,190.32, 45,279.25 and 10,462.21 is: 15,691.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,190.32 : 45,279.25 = 10,462.21 : x
  2. Step 2: Convert to fraction form
    30,190.32/45,279.25 = 10,462.21/x
  3. Step 3: Cross multiply
    30,190.32x = 45,279.25 × 10,462.21
  4. Step 4: Simplify right side
    30,190.32x = 473,721,196.33
  5. Step 5: Solve for x
    x = 473,721,196.33/30,190.32
  6. Step 6: Final answer
    x = 15,691.16

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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.