Home / 35,669.59-49,218.78-20,561.07

Finding the Fourth Proportional to 35,669.59, 49,218.78 and 20,561.07

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Solution

The fourth proportional to 35,669.59, 49,218.78 and 20,561.07 is: 28,371.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,669.59 : 49,218.78 = 20,561.07 : x
  2. Step 2: Convert to fraction form
    35,669.59/49,218.78 = 20,561.07/x
  3. Step 3: Cross multiply
    35,669.59x = 49,218.78 × 20,561.07
  4. Step 4: Simplify right side
    35,669.59x = 1,011,990,780.89
  5. Step 5: Solve for x
    x = 1,011,990,780.89/35,669.59
  6. Step 6: Final answer
    x = 28,371.25

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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.