Home / 43,618.29-65,440.19-14,035.47

Finding the Fourth Proportional to 43,618.29, 65,440.19 and 14,035.47

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Solution

The fourth proportional to 43,618.29, 65,440.19 and 14,035.47 is: 21,057.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,618.29 : 65,440.19 = 14,035.47 : x
  2. Step 2: Convert to fraction form
    43,618.29/65,440.19 = 14,035.47/x
  3. Step 3: Cross multiply
    43,618.29x = 65,440.19 × 14,035.47
  4. Step 4: Simplify right side
    43,618.29x = 918,483,823.54
  5. Step 5: Solve for x
    x = 918,483,823.54/43,618.29
  6. Step 6: Final answer
    x = 21,057.31

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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.