Home / 38,913.99-53,701.43-22,778.39

Finding the Fourth Proportional to 38,913.99, 53,701.43 and 22,778.39

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Solution

The fourth proportional to 38,913.99, 53,701.43 and 22,778.39 is: 31,434.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,913.99 : 53,701.43 = 22,778.39 : x
  2. Step 2: Convert to fraction form
    38,913.99/53,701.43 = 22,778.39/x
  3. Step 3: Cross multiply
    38,913.99x = 53,701.43 × 22,778.39
  4. Step 4: Simplify right side
    38,913.99x = 1,223,231,733.70
  5. Step 5: Solve for x
    x = 1,223,231,733.70/38,913.99
  6. Step 6: Final answer
    x = 31,434.24

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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.