Home / 36,281.16-54,423.79-12,907.60

Finding the Fourth Proportional to 36,281.16, 54,423.79 and 12,907.60

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Solution

The fourth proportional to 36,281.16, 54,423.79 and 12,907.60 is: 19,362.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,281.16 : 54,423.79 = 12,907.60 : x
  2. Step 2: Convert to fraction form
    36,281.16/54,423.79 = 12,907.60/x
  3. Step 3: Cross multiply
    36,281.16x = 54,423.79 × 12,907.60
  4. Step 4: Simplify right side
    36,281.16x = 702,480,343.48
  5. Step 5: Solve for x
    x = 702,480,343.48/36,281.16
  6. Step 6: Final answer
    x = 19,362.12

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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.