Home / 36,423.62-54,638.48-10,128.60

Finding the Fourth Proportional to 36,423.62, 54,638.48 and 10,128.60

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Solution

The fourth proportional to 36,423.62, 54,638.48 and 10,128.60 is: 15,193.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,423.62 : 54,638.48 = 10,128.60 : x
  2. Step 2: Convert to fraction form
    36,423.62/54,638.48 = 10,128.60/x
  3. Step 3: Cross multiply
    36,423.62x = 54,638.48 × 10,128.60
  4. Step 4: Simplify right side
    36,423.62x = 553,411,308.53
  5. Step 5: Solve for x
    x = 553,411,308.53/36,423.62
  6. Step 6: Final answer
    x = 15,193.75

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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.