Home / 35,666.45-49,219.61-20,559.01

Finding the Fourth Proportional to 35,666.45, 49,219.61 and 20,559.01

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Solution

The fourth proportional to 35,666.45, 49,219.61 and 20,559.01 is: 28,371.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,666.45 : 49,219.61 = 20,559.01 : x
  2. Step 2: Convert to fraction form
    35,666.45/49,219.61 = 20,559.01/x
  3. Step 3: Cross multiply
    35,666.45x = 49,219.61 × 20,559.01
  4. Step 4: Simplify right side
    35,666.45x = 1,011,906,454.19
  5. Step 5: Solve for x
    x = 1,011,906,454.19/35,666.45
  6. Step 6: Final answer
    x = 28,371.38

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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.