Home / 37,913.39-52,320.66-20,917.63

Finding the Fourth Proportional to 37,913.39, 52,320.66 and 20,917.63

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Solution

The fourth proportional to 37,913.39, 52,320.66 and 20,917.63 is: 28,866.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,913.39 : 52,320.66 = 20,917.63 : x
  2. Step 2: Convert to fraction form
    37,913.39/52,320.66 = 20,917.63/x
  3. Step 3: Cross multiply
    37,913.39x = 52,320.66 × 20,917.63
  4. Step 4: Simplify right side
    37,913.39x = 1,094,424,047.04
  5. Step 5: Solve for x
    x = 1,094,424,047.04/37,913.39
  6. Step 6: Final answer
    x = 28,866.43

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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.