Home / 43,110.26-64,665.40-13,530.40

Finding the Fourth Proportional to 43,110.26, 64,665.40 and 13,530.40

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Solution

The fourth proportional to 43,110.26, 64,665.40 and 13,530.40 is: 20,295.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,110.26 : 64,665.40 = 13,530.40 : x
  2. Step 2: Convert to fraction form
    43,110.26/64,665.40 = 13,530.40/x
  3. Step 3: Cross multiply
    43,110.26x = 64,665.40 × 13,530.40
  4. Step 4: Simplify right side
    43,110.26x = 874,948,728.16
  5. Step 5: Solve for x
    x = 874,948,728.16/43,110.26
  6. Step 6: Final answer
    x = 20,295.60

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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.