Home / 47,422.09-65,436.87-28,298.32

Finding the Fourth Proportional to 47,422.09, 65,436.87 and 28,298.32

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Solution

The fourth proportional to 47,422.09, 65,436.87 and 28,298.32 is: 39,048.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,422.09 : 65,436.87 = 28,298.32 : x
  2. Step 2: Convert to fraction form
    47,422.09/65,436.87 = 28,298.32/x
  3. Step 3: Cross multiply
    47,422.09x = 65,436.87 × 28,298.32
  4. Step 4: Simplify right side
    47,422.09x = 1,851,753,429.58
  5. Step 5: Solve for x
    x = 1,851,753,429.58/47,422.09
  6. Step 6: Final answer
    x = 39,048.33

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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.