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Finding the Fourth Proportional to 59,994.45, 89,994.09 and 20,555.55

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Solution

The fourth proportional to 59,994.45, 89,994.09 and 20,555.55 is: 30,834.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,994.45 : 89,994.09 = 20,555.55 : x
  2. Step 2: Convert to fraction form
    59,994.45/89,994.09 = 20,555.55/x
  3. Step 3: Cross multiply
    59,994.45x = 89,994.09 × 20,555.55
  4. Step 4: Simplify right side
    59,994.45x = 1,849,878,016.70
  5. Step 5: Solve for x
    x = 1,849,878,016.70/59,994.45
  6. Step 6: Final answer
    x = 30,834.15

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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.