Home / 35,669.64-49,219.08-20,561.10

Finding the Fourth Proportional to 35,669.64, 49,219.08 and 20,561.10

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Solution

The fourth proportional to 35,669.64, 49,219.08 and 20,561.10 is: 28,371.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,669.64 : 49,219.08 = 20,561.10 : x
  2. Step 2: Convert to fraction form
    35,669.64/49,219.08 = 20,561.10/x
  3. Step 3: Cross multiply
    35,669.64x = 49,219.08 × 20,561.10
  4. Step 4: Simplify right side
    35,669.64x = 1,011,998,425.79
  5. Step 5: Solve for x
    x = 1,011,998,425.79/35,669.64
  6. Step 6: Final answer
    x = 28,371.42

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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.