Home / 45,837.90-68,760.45-19,542.84

Finding the Fourth Proportional to 45,837.90, 68,760.45 and 19,542.84

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Solution

The fourth proportional to 45,837.90, 68,760.45 and 19,542.84 is: 29,315.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,837.90 : 68,760.45 = 19,542.84 : x
  2. Step 2: Convert to fraction form
    45,837.90/68,760.45 = 19,542.84/x
  3. Step 3: Cross multiply
    45,837.90x = 68,760.45 × 19,542.84
  4. Step 4: Simplify right side
    45,837.90x = 1,343,774,472.68
  5. Step 5: Solve for x
    x = 1,343,774,472.68/45,837.90
  6. Step 6: Final answer
    x = 29,315.79

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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.