Home / 40,713.47-60,979.98-31,284.08

Finding the Fourth Proportional to 40,713.47, 60,979.98 and 31,284.08

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Solution

The fourth proportional to 40,713.47, 60,979.98 and 31,284.08 is: 46,856.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,713.47 : 60,979.98 = 31,284.08 : x
  2. Step 2: Convert to fraction form
    40,713.47/60,979.98 = 31,284.08/x
  3. Step 3: Cross multiply
    40,713.47x = 60,979.98 × 31,284.08
  4. Step 4: Simplify right side
    40,713.47x = 1,907,702,725.17
  5. Step 5: Solve for x
    x = 1,907,702,725.17/40,713.47
  6. Step 6: Final answer
    x = 46,856.79

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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.