Home / 55,258.45-76,268.97-35,111.40

Finding the Fourth Proportional to 55,258.45, 76,268.97 and 35,111.40

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Solution

The fourth proportional to 55,258.45, 76,268.97 and 35,111.40 is: 48,461.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,258.45 : 76,268.97 = 35,111.40 : x
  2. Step 2: Convert to fraction form
    55,258.45/76,268.97 = 35,111.40/x
  3. Step 3: Cross multiply
    55,258.45x = 76,268.97 × 35,111.40
  4. Step 4: Simplify right side
    55,258.45x = 2,677,910,143.01
  5. Step 5: Solve for x
    x = 2,677,910,143.01/55,258.45
  6. Step 6: Final answer
    x = 48,461.55

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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.