Home / 39,188.63-54,079.83-22,192.40

Finding the Fourth Proportional to 39,188.63, 54,079.83 and 22,192.40

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Solution

The fourth proportional to 39,188.63, 54,079.83 and 22,192.40 is: 30,625.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,188.63 : 54,079.83 = 22,192.40 : x
  2. Step 2: Convert to fraction form
    39,188.63/54,079.83 = 22,192.40/x
  3. Step 3: Cross multiply
    39,188.63x = 54,079.83 × 22,192.40
  4. Step 4: Simplify right side
    39,188.63x = 1,200,161,219.29
  5. Step 5: Solve for x
    x = 1,200,161,219.29/39,188.63
  6. Step 6: Final answer
    x = 30,625.24

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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.