Home / 37,916.43-52,324.32-20,920.83

Finding the Fourth Proportional to 37,916.43, 52,324.32 and 20,920.83

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Solution

The fourth proportional to 37,916.43, 52,324.32 and 20,920.83 is: 28,870.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,916.43 : 52,324.32 = 20,920.83 : x
  2. Step 2: Convert to fraction form
    37,916.43/52,324.32 = 20,920.83/x
  3. Step 3: Cross multiply
    37,916.43x = 52,324.32 × 20,920.83
  4. Step 4: Simplify right side
    37,916.43x = 1,094,668,203.59
  5. Step 5: Solve for x
    x = 1,094,668,203.59/37,916.43
  6. Step 6: Final answer
    x = 28,870.55

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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.