Home / 37,103.28-51,203.04-20,336.40

Finding the Fourth Proportional to 37,103.28, 51,203.04 and 20,336.40

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Solution

The fourth proportional to 37,103.28, 51,203.04 and 20,336.40 is: 28,064.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,103.28 : 51,203.04 = 20,336.40 : x
  2. Step 2: Convert to fraction form
    37,103.28/51,203.04 = 20,336.40/x
  3. Step 3: Cross multiply
    37,103.28x = 51,203.04 × 20,336.40
  4. Step 4: Simplify right side
    37,103.28x = 1,041,285,502.66
  5. Step 5: Solve for x
    x = 1,041,285,502.66/37,103.28
  6. Step 6: Final answer
    x = 28,064.51

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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.