Home / 45,578.32-68,320.76-17,490.80

Finding the Fourth Proportional to 45,578.32, 68,320.76 and 17,490.80

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Solution

The fourth proportional to 45,578.32, 68,320.76 and 17,490.80 is: 26,218.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,578.32 : 68,320.76 = 17,490.80 : x
  2. Step 2: Convert to fraction form
    45,578.32/68,320.76 = 17,490.80/x
  3. Step 3: Cross multiply
    45,578.32x = 68,320.76 × 17,490.80
  4. Step 4: Simplify right side
    45,578.32x = 1,194,984,749.01
  5. Step 5: Solve for x
    x = 1,194,984,749.01/45,578.32
  6. Step 6: Final answer
    x = 26,218.27

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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.