Home / 53,997.71-74,517.10-30,125.72

Finding the Fourth Proportional to 53,997.71, 74,517.10 and 30,125.72

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Solution

The fourth proportional to 53,997.71, 74,517.10 and 30,125.72 is: 41,573.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,997.71 : 74,517.10 = 30,125.72 : x
  2. Step 2: Convert to fraction form
    53,997.71/74,517.10 = 30,125.72/x
  3. Step 3: Cross multiply
    53,997.71x = 74,517.10 × 30,125.72
  4. Step 4: Simplify right side
    53,997.71x = 2,244,881,400.79
  5. Step 5: Solve for x
    x = 2,244,881,400.79/53,997.71
  6. Step 6: Final answer
    x = 41,573.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.