Home / 36,868.40-55,320.60-17,136.80

Finding the Fourth Proportional to 36,868.40, 55,320.60 and 17,136.80

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Solution

The fourth proportional to 36,868.40, 55,320.60 and 17,136.80 is: 25,713.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,868.40 : 55,320.60 = 17,136.80 : x
  2. Step 2: Convert to fraction form
    36,868.40/55,320.60 = 17,136.80/x
  3. Step 3: Cross multiply
    36,868.40x = 55,320.60 × 17,136.80
  4. Step 4: Simplify right side
    36,868.40x = 948,018,058.08
  5. Step 5: Solve for x
    x = 948,018,058.08/36,868.40
  6. Step 6: Final answer
    x = 25,713.57

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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.