Home / 54,022.32-74,538.90-31,348.17

Finding the Fourth Proportional to 54,022.32, 74,538.90 and 31,348.17

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Solution

The fourth proportional to 54,022.32, 74,538.90 and 31,348.17 is: 43,253.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,022.32 : 74,538.90 = 31,348.17 : x
  2. Step 2: Convert to fraction form
    54,022.32/74,538.90 = 31,348.17/x
  3. Step 3: Cross multiply
    54,022.32x = 74,538.90 × 31,348.17
  4. Step 4: Simplify right side
    54,022.32x = 2,336,658,108.81
  5. Step 5: Solve for x
    x = 2,336,658,108.81/54,022.32
  6. Step 6: Final answer
    x = 43,253.57

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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.