Home / 39,108.74-53,973.17-22,116.56

Finding the Fourth Proportional to 39,108.74, 53,973.17 and 22,116.56

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Solution

The fourth proportional to 39,108.74, 53,973.17 and 22,116.56 is: 30,522.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,108.74 : 53,973.17 = 22,116.56 : x
  2. Step 2: Convert to fraction form
    39,108.74/53,973.17 = 22,116.56/x
  3. Step 3: Cross multiply
    39,108.74x = 53,973.17 × 22,116.56
  4. Step 4: Simplify right side
    39,108.74x = 1,193,700,852.70
  5. Step 5: Solve for x
    x = 1,193,700,852.70/39,108.74
  6. Step 6: Final answer
    x = 30,522.61

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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.