Home / 38,703.43-53,415.67-22,789.36

Finding the Fourth Proportional to 38,703.43, 53,415.67 and 22,789.36

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Solution

The fourth proportional to 38,703.43, 53,415.67 and 22,789.36 is: 31,452.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,703.43 : 53,415.67 = 22,789.36 : x
  2. Step 2: Convert to fraction form
    38,703.43/53,415.67 = 22,789.36/x
  3. Step 3: Cross multiply
    38,703.43x = 53,415.67 × 22,789.36
  4. Step 4: Simplify right side
    38,703.43x = 1,217,308,666.19
  5. Step 5: Solve for x
    x = 1,217,308,666.19/38,703.43
  6. Step 6: Final answer
    x = 31,452.22

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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.