Home / 36,281.26-54,420.40-9,985.29

Finding the Fourth Proportional to 36,281.26, 54,420.40 and 9,985.29

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Solution

The fourth proportional to 36,281.26, 54,420.40 and 9,985.29 is: 14,977.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,281.26 : 54,420.40 = 9,985.29 : x
  2. Step 2: Convert to fraction form
    36,281.26/54,420.40 = 9,985.29/x
  3. Step 3: Cross multiply
    36,281.26x = 54,420.40 × 9,985.29
  4. Step 4: Simplify right side
    36,281.26x = 543,403,475.92
  5. Step 5: Solve for x
    x = 543,403,475.92/36,281.26
  6. Step 6: Final answer
    x = 14,977.52

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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.