Home / 45,517.08-68,261.76-15,929.40

Finding the Fourth Proportional to 45,517.08, 68,261.76 and 15,929.40

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Solution

The fourth proportional to 45,517.08, 68,261.76 and 15,929.40 is: 23,889.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,517.08 : 68,261.76 = 15,929.40 : x
  2. Step 2: Convert to fraction form
    45,517.08/68,261.76 = 15,929.40/x
  3. Step 3: Cross multiply
    45,517.08x = 68,261.76 × 15,929.40
  4. Step 4: Simplify right side
    45,517.08x = 1,087,368,879.74
  5. Step 5: Solve for x
    x = 1,087,368,879.74/45,517.08
  6. Step 6: Final answer
    x = 23,889.25

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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.