Home / 66,802.28-100,217.98-20,058.80

Finding the Fourth Proportional to 66,802.28, 100,217.98 and 20,058.80

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Solution

The fourth proportional to 66,802.28, 100,217.98 and 20,058.80 is: 30,092.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,802.28 : 100,217.98 = 20,058.80 : x
  2. Step 2: Convert to fraction form
    66,802.28/100,217.98 = 20,058.80/x
  3. Step 3: Cross multiply
    66,802.28x = 100,217.98 × 20,058.80
  4. Step 4: Simplify right side
    66,802.28x = 2,010,252,417.22
  5. Step 5: Solve for x
    x = 2,010,252,417.22/66,802.28
  6. Step 6: Final answer
    x = 30,092.57

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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.