Home / 37,865.49-52,254.10-20,869.74

Finding the Fourth Proportional to 37,865.49, 52,254.10 and 20,869.74

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Solution

The fourth proportional to 37,865.49, 52,254.10 and 20,869.74 is: 28,800.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,865.49 : 52,254.10 = 20,869.74 : x
  2. Step 2: Convert to fraction form
    37,865.49/52,254.10 = 20,869.74/x
  3. Step 3: Cross multiply
    37,865.49x = 52,254.10 × 20,869.74
  4. Step 4: Simplify right side
    37,865.49x = 1,090,529,507.02
  5. Step 5: Solve for x
    x = 1,090,529,507.02/37,865.49
  6. Step 6: Final answer
    x = 28,800.09

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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.