Home / 45,919.27-63,352.30-30,012.90

Finding the Fourth Proportional to 45,919.27, 63,352.30 and 30,012.90

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Solution

The fourth proportional to 45,919.27, 63,352.30 and 30,012.90 is: 41,407.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,919.27 : 63,352.30 = 30,012.90 : x
  2. Step 2: Convert to fraction form
    45,919.27/63,352.30 = 30,012.90/x
  3. Step 3: Cross multiply
    45,919.27x = 63,352.30 × 30,012.90
  4. Step 4: Simplify right side
    45,919.27x = 1,901,386,244.67
  5. Step 5: Solve for x
    x = 1,901,386,244.67/45,919.27
  6. Step 6: Final answer
    x = 41,407.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.