Home / 35,561.37-49,066.38-21,221.94

Finding the Fourth Proportional to 35,561.37, 49,066.38 and 21,221.94

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Solution

The fourth proportional to 35,561.37, 49,066.38 and 21,221.94 is: 29,281.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,561.37 : 49,066.38 = 21,221.94 : x
  2. Step 2: Convert to fraction form
    35,561.37/49,066.38 = 21,221.94/x
  3. Step 3: Cross multiply
    35,561.37x = 49,066.38 × 21,221.94
  4. Step 4: Simplify right side
    35,561.37x = 1,041,283,772.38
  5. Step 5: Solve for x
    x = 1,041,283,772.38/35,561.37
  6. Step 6: Final answer
    x = 29,281.32

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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.