Home / 43,282.08-64,929.48-13,693.20

Finding the Fourth Proportional to 43,282.08, 64,929.48 and 13,693.20

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Solution

The fourth proportional to 43,282.08, 64,929.48 and 13,693.20 is: 20,541.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,282.08 : 64,929.48 = 13,693.20 : x
  2. Step 2: Convert to fraction form
    43,282.08/64,929.48 = 13,693.20/x
  3. Step 3: Cross multiply
    43,282.08x = 64,929.48 × 13,693.20
  4. Step 4: Simplify right side
    43,282.08x = 889,092,355.54
  5. Step 5: Solve for x
    x = 889,092,355.54/43,282.08
  6. Step 6: Final answer
    x = 20,541.81

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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.