Home / 36,386.45-54,579.68-10,091.20

Finding the Fourth Proportional to 36,386.45, 54,579.68 and 10,091.20

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Solution

The fourth proportional to 36,386.45, 54,579.68 and 10,091.20 is: 15,136.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,386.45 : 54,579.68 = 10,091.20 : x
  2. Step 2: Convert to fraction form
    36,386.45/54,579.68 = 10,091.20/x
  3. Step 3: Cross multiply
    36,386.45x = 54,579.68 × 10,091.20
  4. Step 4: Simplify right side
    36,386.45x = 550,774,466.82
  5. Step 5: Solve for x
    x = 550,774,466.82/36,386.45
  6. Step 6: Final answer
    x = 15,136.80

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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.