Home / 50,482.31-69,665.09-27,820.71

Finding the Fourth Proportional to 50,482.31, 69,665.09 and 27,820.71

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Solution

The fourth proportional to 50,482.31, 69,665.09 and 27,820.71 is: 38,392.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,482.31 : 69,665.09 = 27,820.71 : x
  2. Step 2: Convert to fraction form
    50,482.31/69,665.09 = 27,820.71/x
  3. Step 3: Cross multiply
    50,482.31x = 69,665.09 × 27,820.71
  4. Step 4: Simplify right side
    50,482.31x = 1,938,132,126.91
  5. Step 5: Solve for x
    x = 1,938,132,126.91/50,482.31
  6. Step 6: Final answer
    x = 38,392.31

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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.