Home / 37,865.42-52,253.56-20,871.23

Finding the Fourth Proportional to 37,865.42, 52,253.56 and 20,871.23

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Solution

The fourth proportional to 37,865.42, 52,253.56 and 20,871.23 is: 28,801.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,865.42 : 52,253.56 = 20,871.23 : x
  2. Step 2: Convert to fraction form
    37,865.42/52,253.56 = 20,871.23/x
  3. Step 3: Cross multiply
    37,865.42x = 52,253.56 × 20,871.23
  4. Step 4: Simplify right side
    37,865.42x = 1,090,596,069.08
  5. Step 5: Solve for x
    x = 1,090,596,069.08/37,865.42
  6. Step 6: Final answer
    x = 28,801.90

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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.