Home / 53,740.12-80,619.88-17,718.48

Finding the Fourth Proportional to 53,740.12, 80,619.88 and 17,718.48

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Solution

The fourth proportional to 53,740.12, 80,619.88 and 17,718.48 is: 26,580.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,740.12 : 80,619.88 = 17,718.48 : x
  2. Step 2: Convert to fraction form
    53,740.12/80,619.88 = 17,718.48/x
  3. Step 3: Cross multiply
    53,740.12x = 80,619.88 × 17,718.48
  4. Step 4: Simplify right side
    53,740.12x = 1,428,461,731.38
  5. Step 5: Solve for x
    x = 1,428,461,731.38/53,740.12
  6. Step 6: Final answer
    x = 26,580.92

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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.