Home / 71,033.28-106,566.59-21,113.79

Finding the Fourth Proportional to 71,033.28, 106,566.59 and 21,113.79

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Solution

The fourth proportional to 71,033.28, 106,566.59 and 21,113.79 is: 31,675.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,033.28 : 106,566.59 = 21,113.79 : x
  2. Step 2: Convert to fraction form
    71,033.28/106,566.59 = 21,113.79/x
  3. Step 3: Cross multiply
    71,033.28x = 106,566.59 × 21,113.79
  4. Step 4: Simplify right side
    71,033.28x = 2,250,024,602.28
  5. Step 5: Solve for x
    x = 2,250,024,602.28/71,033.28
  6. Step 6: Final answer
    x = 31,675.64

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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.