Home / 39,807.68-54,935.06-22,811.58

Finding the Fourth Proportional to 39,807.68, 54,935.06 and 22,811.58

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Solution

The fourth proportional to 39,807.68, 54,935.06 and 22,811.58 is: 31,480.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,807.68 : 54,935.06 = 22,811.58 : x
  2. Step 2: Convert to fraction form
    39,807.68/54,935.06 = 22,811.58/x
  3. Step 3: Cross multiply
    39,807.68x = 54,935.06 × 22,811.58
  4. Step 4: Simplify right side
    39,807.68x = 1,253,155,515.99
  5. Step 5: Solve for x
    x = 1,253,155,515.99/39,807.68
  6. Step 6: Final answer
    x = 31,480.24

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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.