Home / 36,145.98-54,220.59-15,881.40

Finding the Fourth Proportional to 36,145.98, 54,220.59 and 15,881.40

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Solution

The fourth proportional to 36,145.98, 54,220.59 and 15,881.40 is: 23,822.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,145.98 : 54,220.59 = 15,881.40 : x
  2. Step 2: Convert to fraction form
    36,145.98/54,220.59 = 15,881.40/x
  3. Step 3: Cross multiply
    36,145.98x = 54,220.59 × 15,881.40
  4. Step 4: Simplify right side
    36,145.98x = 861,098,878.03
  5. Step 5: Solve for x
    x = 861,098,878.03/36,145.98
  6. Step 6: Final answer
    x = 23,822.81

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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.