Home / 54,040.07-74,575.01-31,384.63

Finding the Fourth Proportional to 54,040.07, 74,575.01 and 31,384.63

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Solution

The fourth proportional to 54,040.07, 74,575.01 and 31,384.63 is: 43,310.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,040.07 : 74,575.01 = 31,384.63 : x
  2. Step 2: Convert to fraction form
    54,040.07/74,575.01 = 31,384.63/x
  3. Step 3: Cross multiply
    54,040.07x = 74,575.01 × 31,384.63
  4. Step 4: Simplify right side
    54,040.07x = 2,340,508,988.12
  5. Step 5: Solve for x
    x = 2,340,508,988.12/54,040.07
  6. Step 6: Final answer
    x = 43,310.62

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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.