Home / 48,969.45-67,576.88-28,555.32

Finding the Fourth Proportional to 48,969.45, 67,576.88 and 28,555.32

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Solution

The fourth proportional to 48,969.45, 67,576.88 and 28,555.32 is: 39,405.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,969.45 : 67,576.88 = 28,555.32 : x
  2. Step 2: Convert to fraction form
    48,969.45/67,576.88 = 28,555.32/x
  3. Step 3: Cross multiply
    48,969.45x = 67,576.88 × 28,555.32
  4. Step 4: Simplify right side
    48,969.45x = 1,929,679,290.23
  5. Step 5: Solve for x
    x = 1,929,679,290.23/48,969.45
  6. Step 6: Final answer
    x = 39,405.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.