Home / 47,386.46-65,340.00-38,745.69

Finding the Fourth Proportional to 47,386.46, 65,340.00 and 38,745.69

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Solution

The fourth proportional to 47,386.46, 65,340.00 and 38,745.69 is: 53,425.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,386.46 : 65,340.00 = 38,745.69 : x
  2. Step 2: Convert to fraction form
    47,386.46/65,340.00 = 38,745.69/x
  3. Step 3: Cross multiply
    47,386.46x = 65,340.00 × 38,745.69
  4. Step 4: Simplify right side
    47,386.46x = 2,531,643,284.87
  5. Step 5: Solve for x
    x = 2,531,643,284.87/47,386.46
  6. Step 6: Final answer
    x = 53,425.45

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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.