Home / 37,866.18-52,253.19-20,870.37

Finding the Fourth Proportional to 37,866.18, 52,253.19 and 20,870.37

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Solution

The fourth proportional to 37,866.18, 52,253.19 and 20,870.37 is: 28,799.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,866.18 : 52,253.19 = 20,870.37 : x
  2. Step 2: Convert to fraction form
    37,866.18/52,253.19 = 20,870.37/x
  3. Step 3: Cross multiply
    37,866.18x = 52,253.19 × 20,870.37
  4. Step 4: Simplify right side
    37,866.18x = 1,090,543,408.98
  5. Step 5: Solve for x
    x = 1,090,543,408.98/37,866.18
  6. Step 6: Final answer
    x = 28,799.93

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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.