Home / 39,646.80-54,708.48-22,655.30

Finding the Fourth Proportional to 39,646.80, 54,708.48 and 22,655.30

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Solution

The fourth proportional to 39,646.80, 54,708.48 and 22,655.30 is: 31,261.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,646.80 : 54,708.48 = 22,655.30 : x
  2. Step 2: Convert to fraction form
    39,646.80/54,708.48 = 22,655.30/x
  3. Step 3: Cross multiply
    39,646.80x = 54,708.48 × 22,655.30
  4. Step 4: Simplify right side
    39,646.80x = 1,239,436,753.40
  5. Step 5: Solve for x
    x = 1,239,436,753.40/39,646.80
  6. Step 6: Final answer
    x = 31,261.96

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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.