Home / 38,711.90-53,420.23-22,801.48

Finding the Fourth Proportional to 38,711.90, 53,420.23 and 22,801.48

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Solution

The fourth proportional to 38,711.90, 53,420.23 and 22,801.48 is: 31,464.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,711.90 : 53,420.23 = 22,801.48 : x
  2. Step 2: Convert to fraction form
    38,711.90/53,420.23 = 22,801.48/x
  3. Step 3: Cross multiply
    38,711.90x = 53,420.23 × 22,801.48
  4. Step 4: Simplify right side
    38,711.90x = 1,218,060,305.94
  5. Step 5: Solve for x
    x = 1,218,060,305.94/38,711.90
  6. Step 6: Final answer
    x = 31,464.75

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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.