Home / 55,103.81-75,908.27-39,951.95

Finding the Fourth Proportional to 55,103.81, 75,908.27 and 39,951.95

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Solution

The fourth proportional to 55,103.81, 75,908.27 and 39,951.95 is: 55,035.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,103.81 : 75,908.27 = 39,951.95 : x
  2. Step 2: Convert to fraction form
    55,103.81/75,908.27 = 39,951.95/x
  3. Step 3: Cross multiply
    55,103.81x = 75,908.27 × 39,951.95
  4. Step 4: Simplify right side
    55,103.81x = 3,032,683,127.97
  5. Step 5: Solve for x
    x = 3,032,683,127.97/55,103.81
  6. Step 6: Final answer
    x = 55,035.82

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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.