Home / 40,367.84-60,554.86-12,290.30

Finding the Fourth Proportional to 40,367.84, 60,554.86 and 12,290.30

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Solution

The fourth proportional to 40,367.84, 60,554.86 and 12,290.30 is: 18,436.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,367.84 : 60,554.86 = 12,290.30 : x
  2. Step 2: Convert to fraction form
    40,367.84/60,554.86 = 12,290.30/x
  3. Step 3: Cross multiply
    40,367.84x = 60,554.86 × 12,290.30
  4. Step 4: Simplify right side
    40,367.84x = 744,237,562.61
  5. Step 5: Solve for x
    x = 744,237,562.61/40,367.84
  6. Step 6: Final answer
    x = 18,436.40

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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.