Home / 52,974.12-79,461.24-21,787.56

Finding the Fourth Proportional to 52,974.12, 79,461.24 and 21,787.56

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Solution

The fourth proportional to 52,974.12, 79,461.24 and 21,787.56 is: 32,681.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,974.12 : 79,461.24 = 21,787.56 : x
  2. Step 2: Convert to fraction form
    52,974.12/79,461.24 = 21,787.56/x
  3. Step 3: Cross multiply
    52,974.12x = 79,461.24 × 21,787.56
  4. Step 4: Simplify right side
    52,974.12x = 1,731,266,534.17
  5. Step 5: Solve for x
    x = 1,731,266,534.17/52,974.12
  6. Step 6: Final answer
    x = 32,681.36

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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.