Home / 30,511.26-45,750.69-15,714.18

Finding the Fourth Proportional to 30,511.26, 45,750.69 and 15,714.18

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Solution

The fourth proportional to 30,511.26, 45,750.69 and 15,714.18 is: 23,562.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,511.26 : 45,750.69 = 15,714.18 : x
  2. Step 2: Convert to fraction form
    30,511.26/45,750.69 = 15,714.18/x
  3. Step 3: Cross multiply
    30,511.26x = 45,750.69 × 15,714.18
  4. Step 4: Simplify right side
    30,511.26x = 718,934,577.78
  5. Step 5: Solve for x
    x = 718,934,577.78/30,511.26
  6. Step 6: Final answer
    x = 23,562.93

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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.