Home / 55,335.54-83,036.25-20,277.66

Finding the Fourth Proportional to 55,335.54, 83,036.25 and 20,277.66

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Solution

The fourth proportional to 55,335.54, 83,036.25 and 20,277.66 is: 30,428.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,335.54 : 83,036.25 = 20,277.66 : x
  2. Step 2: Convert to fraction form
    55,335.54/83,036.25 = 20,277.66/x
  3. Step 3: Cross multiply
    55,335.54x = 83,036.25 × 20,277.66
  4. Step 4: Simplify right side
    55,335.54x = 1,683,780,845.18
  5. Step 5: Solve for x
    x = 1,683,780,845.18/55,335.54
  6. Step 6: Final answer
    x = 30,428.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.