Home / 55,133.73-76,083.51-30,935.13

Finding the Fourth Proportional to 55,133.73, 76,083.51 and 30,935.13

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Solution

The fourth proportional to 55,133.73, 76,083.51 and 30,935.13 is: 42,689.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,133.73 : 76,083.51 = 30,935.13 : x
  2. Step 2: Convert to fraction form
    55,133.73/76,083.51 = 30,935.13/x
  3. Step 3: Cross multiply
    55,133.73x = 76,083.51 × 30,935.13
  4. Step 4: Simplify right side
    55,133.73x = 2,353,653,103.40
  5. Step 5: Solve for x
    x = 2,353,653,103.40/55,133.73
  6. Step 6: Final answer
    x = 42,689.89

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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.