Home / 45,181.36-67,775.88-15,587.20

Finding the Fourth Proportional to 45,181.36, 67,775.88 and 15,587.20

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Solution

The fourth proportional to 45,181.36, 67,775.88 and 15,587.20 is: 23,382.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,181.36 : 67,775.88 = 15,587.20 : x
  2. Step 2: Convert to fraction form
    45,181.36/67,775.88 = 15,587.20/x
  3. Step 3: Cross multiply
    45,181.36x = 67,775.88 × 15,587.20
  4. Step 4: Simplify right side
    45,181.36x = 1,056,436,196.74
  5. Step 5: Solve for x
    x = 1,056,436,196.74/45,181.36
  6. Step 6: Final answer
    x = 23,382.12

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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.