Home / 37,123.11-51,230.27-20,127.39

Finding the Fourth Proportional to 37,123.11, 51,230.27 and 20,127.39

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Solution

The fourth proportional to 37,123.11, 51,230.27 and 20,127.39 is: 27,776.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,123.11 : 51,230.27 = 20,127.39 : x
  2. Step 2: Convert to fraction form
    37,123.11/51,230.27 = 20,127.39/x
  3. Step 3: Cross multiply
    37,123.11x = 51,230.27 × 20,127.39
  4. Step 4: Simplify right side
    37,123.11x = 1,031,131,482.30
  5. Step 5: Solve for x
    x = 1,031,131,482.30/37,123.11
  6. Step 6: Final answer
    x = 27,776.00

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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.