Home / 37,916.68-52,325.19-20,921.14

Finding the Fourth Proportional to 37,916.68, 52,325.19 and 20,921.14

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Solution

The fourth proportional to 37,916.68, 52,325.19 and 20,921.14 is: 28,871.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,916.68 : 52,325.19 = 20,921.14 : x
  2. Step 2: Convert to fraction form
    37,916.68/52,325.19 = 20,921.14/x
  3. Step 3: Cross multiply
    37,916.68x = 52,325.19 × 20,921.14
  4. Step 4: Simplify right side
    37,916.68x = 1,094,702,625.52
  5. Step 5: Solve for x
    x = 1,094,702,625.52/37,916.68
  6. Step 6: Final answer
    x = 28,871.27

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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.