Home / 34,341.72-47,392.74-20,195.88

Finding the Fourth Proportional to 34,341.72, 47,392.74 and 20,195.88

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Solution

The fourth proportional to 34,341.72, 47,392.74 and 20,195.88 is: 27,871.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,341.72 : 47,392.74 = 20,195.88 : x
  2. Step 2: Convert to fraction form
    34,341.72/47,392.74 = 20,195.88/x
  3. Step 3: Cross multiply
    34,341.72x = 47,392.74 × 20,195.88
  4. Step 4: Simplify right side
    34,341.72x = 957,138,089.91
  5. Step 5: Solve for x
    x = 957,138,089.91/34,341.72
  6. Step 6: Final answer
    x = 27,871.00

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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.