Home / 40,274.46-60,422.58-28,661.40

Finding the Fourth Proportional to 40,274.46, 60,422.58 and 28,661.40

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Solution

The fourth proportional to 40,274.46, 60,422.58 and 28,661.40 is: 42,999.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,274.46 : 60,422.58 = 28,661.40 : x
  2. Step 2: Convert to fraction form
    40,274.46/60,422.58 = 28,661.40/x
  3. Step 3: Cross multiply
    40,274.46x = 60,422.58 × 28,661.40
  4. Step 4: Simplify right side
    40,274.46x = 1,731,795,734.41
  5. Step 5: Solve for x
    x = 1,731,795,734.41/40,274.46
  6. Step 6: Final answer
    x = 42,999.85

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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.