Home / 45,443.43-68,174.36-19,148.16

Finding the Fourth Proportional to 45,443.43, 68,174.36 and 19,148.16

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Solution

The fourth proportional to 45,443.43, 68,174.36 and 19,148.16 is: 28,726.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,443.43 : 68,174.36 = 19,148.16 : x
  2. Step 2: Convert to fraction form
    45,443.43/68,174.36 = 19,148.16/x
  3. Step 3: Cross multiply
    45,443.43x = 68,174.36 × 19,148.16
  4. Step 4: Simplify right side
    45,443.43x = 1,305,413,784.90
  5. Step 5: Solve for x
    x = 1,305,413,784.90/45,443.43
  6. Step 6: Final answer
    x = 28,726.13

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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.