Home / 36,431.63-54,647.55-10,136.40

Finding the Fourth Proportional to 36,431.63, 54,647.55 and 10,136.40

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Solution

The fourth proportional to 36,431.63, 54,647.55 and 10,136.40 is: 15,204.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,431.63 : 54,647.55 = 10,136.40 : x
  2. Step 2: Convert to fraction form
    36,431.63/54,647.55 = 10,136.40/x
  3. Step 3: Cross multiply
    36,431.63x = 54,647.55 × 10,136.40
  4. Step 4: Simplify right side
    36,431.63x = 553,929,425.82
  5. Step 5: Solve for x
    x = 553,929,425.82/36,431.63
  6. Step 6: Final answer
    x = 15,204.63

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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.