Home / 66,294.23-99,442.14-19,548.05

Finding the Fourth Proportional to 66,294.23, 99,442.14 and 19,548.05

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Solution

The fourth proportional to 66,294.23, 99,442.14 and 19,548.05 is: 29,322.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,294.23 : 99,442.14 = 19,548.05 : x
  2. Step 2: Convert to fraction form
    66,294.23/99,442.14 = 19,548.05/x
  3. Step 3: Cross multiply
    66,294.23x = 99,442.14 × 19,548.05
  4. Step 4: Simplify right side
    66,294.23x = 1,943,899,427.62
  5. Step 5: Solve for x
    x = 1,943,899,427.62/66,294.23
  6. Step 6: Final answer
    x = 29,322.30

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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.