Home / 37,926.70-52,338.50-20,931.10

Finding the Fourth Proportional to 37,926.70, 52,338.50 and 20,931.10

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Solution

The fourth proportional to 37,926.70, 52,338.50 and 20,931.10 is: 28,884.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,926.70 : 52,338.50 = 20,931.10 : x
  2. Step 2: Convert to fraction form
    37,926.70/52,338.50 = 20,931.10/x
  3. Step 3: Cross multiply
    37,926.70x = 52,338.50 × 20,931.10
  4. Step 4: Simplify right side
    37,926.70x = 1,095,502,377.35
  5. Step 5: Solve for x
    x = 1,095,502,377.35/37,926.70
  6. Step 6: Final answer
    x = 28,884.73

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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.