Home / 67,384.30-101,076.45-20,001.10

Finding the Fourth Proportional to 67,384.30, 101,076.45 and 20,001.10

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Solution

The fourth proportional to 67,384.30, 101,076.45 and 20,001.10 is: 30,001.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,384.30 : 101,076.45 = 20,001.10 : x
  2. Step 2: Convert to fraction form
    67,384.30/101,076.45 = 20,001.10/x
  3. Step 3: Cross multiply
    67,384.30x = 101,076.45 × 20,001.10
  4. Step 4: Simplify right side
    67,384.30x = 2,021,640,184.10
  5. Step 5: Solve for x
    x = 2,021,640,184.10/67,384.30
  6. Step 6: Final answer
    x = 30,001.65

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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.