Home / 47,340.47-65,329.60-25,830.21

Finding the Fourth Proportional to 47,340.47, 65,329.60 and 25,830.21

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Solution

The fourth proportional to 47,340.47, 65,329.60 and 25,830.21 is: 35,645.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,340.47 : 65,329.60 = 25,830.21 : x
  2. Step 2: Convert to fraction form
    47,340.47/65,329.60 = 25,830.21/x
  3. Step 3: Cross multiply
    47,340.47x = 65,329.60 × 25,830.21
  4. Step 4: Simplify right side
    47,340.47x = 1,687,477,287.22
  5. Step 5: Solve for x
    x = 1,687,477,287.22/47,340.47
  6. Step 6: Final answer
    x = 35,645.55

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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.