Home / 39,754.81-54,859.05-22,759.20

Finding the Fourth Proportional to 39,754.81, 54,859.05 and 22,759.20

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Solution

The fourth proportional to 39,754.81, 54,859.05 and 22,759.20 is: 31,406.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,754.81 : 54,859.05 = 22,759.20 : x
  2. Step 2: Convert to fraction form
    39,754.81/54,859.05 = 22,759.20/x
  3. Step 3: Cross multiply
    39,754.81x = 54,859.05 × 22,759.20
  4. Step 4: Simplify right side
    39,754.81x = 1,248,548,090.76
  5. Step 5: Solve for x
    x = 1,248,548,090.76/39,754.81
  6. Step 6: Final answer
    x = 31,406.21

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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.