Home / 39,904.60-55,064.26-22,904.78

Finding the Fourth Proportional to 39,904.60, 55,064.26 and 22,904.78

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Solution

The fourth proportional to 39,904.60, 55,064.26 and 22,904.78 is: 31,606.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,904.60 : 55,064.26 = 22,904.78 : x
  2. Step 2: Convert to fraction form
    39,904.60/55,064.26 = 22,904.78/x
  3. Step 3: Cross multiply
    39,904.60x = 55,064.26 × 22,904.78
  4. Step 4: Simplify right side
    39,904.60x = 1,261,234,385.63
  5. Step 5: Solve for x
    x = 1,261,234,385.63/39,904.60
  6. Step 6: Final answer
    x = 31,606.24

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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.