Home / 39,669.24-54,740.07-22,670.11

Finding the Fourth Proportional to 39,669.24, 54,740.07 and 22,670.11

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Solution

The fourth proportional to 39,669.24, 54,740.07 and 22,670.11 is: 31,282.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,669.24 : 54,740.07 = 22,670.11 : x
  2. Step 2: Convert to fraction form
    39,669.24/54,740.07 = 22,670.11/x
  3. Step 3: Cross multiply
    39,669.24x = 54,740.07 × 22,670.11
  4. Step 4: Simplify right side
    39,669.24x = 1,240,963,476.73
  5. Step 5: Solve for x
    x = 1,240,963,476.73/39,669.24
  6. Step 6: Final answer
    x = 31,282.76

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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.