Home / 37,911.36-52,318.08-20,916.24

Finding the Fourth Proportional to 37,911.36, 52,318.08 and 20,916.24

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Solution

The fourth proportional to 37,911.36, 52,318.08 and 20,916.24 is: 28,864.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,911.36 : 52,318.08 = 20,916.24 : x
  2. Step 2: Convert to fraction form
    37,911.36/52,318.08 = 20,916.24/x
  3. Step 3: Cross multiply
    37,911.36x = 52,318.08 × 20,916.24
  4. Step 4: Simplify right side
    37,911.36x = 1,094,297,517.62
  5. Step 5: Solve for x
    x = 1,094,297,517.62/37,911.36
  6. Step 6: Final answer
    x = 28,864.63

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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.