Home / 40,159.63-60,331.80-28,340.62

Finding the Fourth Proportional to 40,159.63, 60,331.80 and 28,340.62

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Solution

The fourth proportional to 40,159.63, 60,331.80 and 28,340.62 is: 42,576.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,159.63 : 60,331.80 = 28,340.62 : x
  2. Step 2: Convert to fraction form
    40,159.63/60,331.80 = 28,340.62/x
  3. Step 3: Cross multiply
    40,159.63x = 60,331.80 × 28,340.62
  4. Step 4: Simplify right side
    40,159.63x = 1,709,840,617.72
  5. Step 5: Solve for x
    x = 1,709,840,617.72/40,159.63
  6. Step 6: Final answer
    x = 42,576.10

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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.