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Finding the Fourth Proportional to 20,119.98, 30,200.99 and 14,860.93

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Solution

The fourth proportional to 20,119.98, 30,200.99 and 14,860.93 is: 22,306.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,119.98 : 30,200.99 = 14,860.93 : x
  2. Step 2: Convert to fraction form
    20,119.98/30,200.99 = 14,860.93/x
  3. Step 3: Cross multiply
    20,119.98x = 30,200.99 × 14,860.93
  4. Step 4: Simplify right side
    20,119.98x = 448,814,810.31
  5. Step 5: Solve for x
    x = 448,814,810.31/20,119.98
  6. Step 6: Final answer
    x = 22,306.92

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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.