Home / 39,321.60-58,947.84-18,570.24

Finding the Fourth Proportional to 39,321.60, 58,947.84 and 18,570.24

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Solution

The fourth proportional to 39,321.60, 58,947.84 and 18,570.24 is: 27,839.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,321.60 : 58,947.84 = 18,570.24 : x
  2. Step 2: Convert to fraction form
    39,321.60/58,947.84 = 18,570.24/x
  3. Step 3: Cross multiply
    39,321.60x = 58,947.84 × 18,570.24
  4. Step 4: Simplify right side
    39,321.60x = 1,094,675,536.28
  5. Step 5: Solve for x
    x = 1,094,675,536.28/39,321.60
  6. Step 6: Final answer
    x = 27,839.04

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1.5x scale

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.