Home / 37,916.63-52,325.49-20,921.61

Finding the Fourth Proportional to 37,916.63, 52,325.49 and 20,921.61

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Solution

The fourth proportional to 37,916.63, 52,325.49 and 20,921.61 is: 28,872.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,916.63 : 52,325.49 = 20,921.61 : x
  2. Step 2: Convert to fraction form
    37,916.63/52,325.49 = 20,921.61/x
  3. Step 3: Cross multiply
    37,916.63x = 52,325.49 × 20,921.61
  4. Step 4: Simplify right side
    37,916.63x = 1,094,733,494.84
  5. Step 5: Solve for x
    x = 1,094,733,494.84/37,916.63
  6. Step 6: Final answer
    x = 28,872.12

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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.