Home / 37,633.85-51,934.58-20,637.66

Finding the Fourth Proportional to 37,633.85, 51,934.58 and 20,637.66

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Solution

The fourth proportional to 37,633.85, 51,934.58 and 20,637.66 is: 28,479.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,633.85 : 51,934.58 = 20,637.66 : x
  2. Step 2: Convert to fraction form
    37,633.85/51,934.58 = 20,637.66/x
  3. Step 3: Cross multiply
    37,633.85x = 51,934.58 × 20,637.66
  4. Step 4: Simplify right side
    37,633.85x = 1,071,808,204.28
  5. Step 5: Solve for x
    x = 1,071,808,204.28/37,633.85
  6. Step 6: Final answer
    x = 28,479.90

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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.