Home / 45,445.07-68,198.75-15,862.90

Finding the Fourth Proportional to 45,445.07, 68,198.75 and 15,862.90

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Solution

The fourth proportional to 45,445.07, 68,198.75 and 15,862.90 is: 23,805.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,445.07 : 68,198.75 = 15,862.90 : x
  2. Step 2: Convert to fraction form
    45,445.07/68,198.75 = 15,862.90/x
  3. Step 3: Cross multiply
    45,445.07x = 68,198.75 × 15,862.90
  4. Step 4: Simplify right side
    45,445.07x = 1,081,830,100.05
  5. Step 5: Solve for x
    x = 1,081,830,100.05/45,445.07
  6. Step 6: Final answer
    x = 23,805.22

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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.