Home / 67,970.24-101,955.36-21,227.12

Finding the Fourth Proportional to 67,970.24, 101,955.36 and 21,227.12

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Solution

The fourth proportional to 67,970.24, 101,955.36 and 21,227.12 is: 31,840.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,970.24 : 101,955.36 = 21,227.12 : x
  2. Step 2: Convert to fraction form
    67,970.24/101,955.36 = 21,227.12/x
  3. Step 3: Cross multiply
    67,970.24x = 101,955.36 × 21,227.12
  4. Step 4: Simplify right side
    67,970.24x = 2,164,218,661.36
  5. Step 5: Solve for x
    x = 2,164,218,661.36/67,970.24
  6. Step 6: Final answer
    x = 31,840.68

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Similar ratio
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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.