Home / 35,512.71-49,010.31-20,410.64

Finding the Fourth Proportional to 35,512.71, 49,010.31 and 20,410.64

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Solution

The fourth proportional to 35,512.71, 49,010.31 and 20,410.64 is: 28,168.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,512.71 : 49,010.31 = 20,410.64 : x
  2. Step 2: Convert to fraction form
    35,512.71/49,010.31 = 20,410.64/x
  3. Step 3: Cross multiply
    35,512.71x = 49,010.31 × 20,410.64
  4. Step 4: Simplify right side
    35,512.71x = 1,000,331,916.22
  5. Step 5: Solve for x
    x = 1,000,331,916.22/35,512.71
  6. Step 6: Final answer
    x = 28,168.28

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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.