Home / 37,865.18-52,251.81-20,869.37

Finding the Fourth Proportional to 37,865.18, 52,251.81 and 20,869.37

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Solution

The fourth proportional to 37,865.18, 52,251.81 and 20,869.37 is: 28,798.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,865.18 : 52,251.81 = 20,869.37 : x
  2. Step 2: Convert to fraction form
    37,865.18/52,251.81 = 20,869.37/x
  3. Step 3: Cross multiply
    37,865.18x = 52,251.81 × 20,869.37
  4. Step 4: Simplify right side
    37,865.18x = 1,090,462,356.06
  5. Step 5: Solve for x
    x = 1,090,462,356.06/37,865.18
  6. Step 6: Final answer
    x = 28,798.55

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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.