Home / 37,613.52-51,909.12-21,698.64

Finding the Fourth Proportional to 37,613.52, 51,909.12 and 21,698.64

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Solution

The fourth proportional to 37,613.52, 51,909.12 and 21,698.64 is: 29,945.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,613.52 : 51,909.12 = 21,698.64 : x
  2. Step 2: Convert to fraction form
    37,613.52/51,909.12 = 21,698.64/x
  3. Step 3: Cross multiply
    37,613.52x = 51,909.12 × 21,698.64
  4. Step 4: Simplify right side
    37,613.52x = 1,126,357,307.60
  5. Step 5: Solve for x
    x = 1,126,357,307.60/37,613.52
  6. Step 6: Final answer
    x = 29,945.54

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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.