Home / 47,530.59-65,587.71-28,406.58

Finding the Fourth Proportional to 47,530.59, 65,587.71 and 28,406.58

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Solution

The fourth proportional to 47,530.59, 65,587.71 and 28,406.58 is: 39,198.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,530.59 : 65,587.71 = 28,406.58 : x
  2. Step 2: Convert to fraction form
    47,530.59/65,587.71 = 28,406.58/x
  3. Step 3: Cross multiply
    47,530.59x = 65,587.71 × 28,406.58
  4. Step 4: Simplify right side
    47,530.59x = 1,863,122,531.13
  5. Step 5: Solve for x
    x = 1,863,122,531.13/47,530.59
  6. Step 6: Final answer
    x = 39,198.39

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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.