Home / 37,912.18-52,318.99-20,916.63

Finding the Fourth Proportional to 37,912.18, 52,318.99 and 20,916.63

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Solution

The fourth proportional to 37,912.18, 52,318.99 and 20,916.63 is: 28,865.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,912.18 : 52,318.99 = 20,916.63 : x
  2. Step 2: Convert to fraction form
    37,912.18/52,318.99 = 20,916.63/x
  3. Step 3: Cross multiply
    37,912.18x = 52,318.99 × 20,916.63
  4. Step 4: Simplify right side
    37,912.18x = 1,094,336,851.22
  5. Step 5: Solve for x
    x = 1,094,336,851.22/37,912.18
  6. Step 6: Final answer
    x = 28,865.05

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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.