Home / 47,382.78-65,386.26-25,870.80

Finding the Fourth Proportional to 47,382.78, 65,386.26 and 25,870.80

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Solution

The fourth proportional to 47,382.78, 65,386.26 and 25,870.80 is: 35,700.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,382.78 : 65,386.26 = 25,870.80 : x
  2. Step 2: Convert to fraction form
    47,382.78/65,386.26 = 25,870.80/x
  3. Step 3: Cross multiply
    47,382.78x = 65,386.26 × 25,870.80
  4. Step 4: Simplify right side
    47,382.78x = 1,691,594,855.21
  5. Step 5: Solve for x
    x = 1,691,594,855.21/47,382.78
  6. Step 6: Final answer
    x = 35,700.62

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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.