Home / 45,345.72-68,029.56-15,759.30

Finding the Fourth Proportional to 45,345.72, 68,029.56 and 15,759.30

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Solution

The fourth proportional to 45,345.72, 68,029.56 and 15,759.30 is: 23,642.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,345.72 : 68,029.56 = 15,759.30 : x
  2. Step 2: Convert to fraction form
    45,345.72/68,029.56 = 15,759.30/x
  3. Step 3: Cross multiply
    45,345.72x = 68,029.56 × 15,759.30
  4. Step 4: Simplify right side
    45,345.72x = 1,072,098,244.91
  5. Step 5: Solve for x
    x = 1,072,098,244.91/45,345.72
  6. Step 6: Final answer
    x = 23,642.77

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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.