Home / 67,962.36-101,943.53-21,219.24

Finding the Fourth Proportional to 67,962.36, 101,943.53 and 21,219.24

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Solution

The fourth proportional to 67,962.36, 101,943.53 and 21,219.24 is: 31,828.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,962.36 : 101,943.53 = 21,219.24 : x
  2. Step 2: Convert to fraction form
    67,962.36/101,943.53 = 21,219.24/x
  3. Step 3: Cross multiply
    67,962.36x = 101,943.53 × 21,219.24
  4. Step 4: Simplify right side
    67,962.36x = 2,163,163,772.85
  5. Step 5: Solve for x
    x = 2,163,163,772.85/67,962.36
  6. Step 6: Final answer
    x = 31,828.85

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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.