Home / 54,554.13-81,794.95-21,277.31

Finding the Fourth Proportional to 54,554.13, 81,794.95 and 21,277.31

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Solution

The fourth proportional to 54,554.13, 81,794.95 and 21,277.31 is: 31,901.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,554.13 : 81,794.95 = 21,277.31 : x
  2. Step 2: Convert to fraction form
    54,554.13/81,794.95 = 21,277.31/x
  3. Step 3: Cross multiply
    54,554.13x = 81,794.95 × 21,277.31
  4. Step 4: Simplify right side
    54,554.13x = 1,740,376,045.42
  5. Step 5: Solve for x
    x = 1,740,376,045.42/54,554.13
  6. Step 6: Final answer
    x = 31,901.82

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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.