Home / 67,554.30-101,342.34-20,807.16

Finding the Fourth Proportional to 67,554.30, 101,342.34 and 20,807.16

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Solution

The fourth proportional to 67,554.30, 101,342.34 and 20,807.16 is: 31,214.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,554.30 : 101,342.34 = 20,807.16 : x
  2. Step 2: Convert to fraction form
    67,554.30/101,342.34 = 20,807.16/x
  3. Step 3: Cross multiply
    67,554.30x = 101,342.34 × 20,807.16
  4. Step 4: Simplify right side
    67,554.30x = 2,108,646,283.15
  5. Step 5: Solve for x
    x = 2,108,646,283.15/67,554.30
  6. Step 6: Final answer
    x = 31,214.09

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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.