Home / 45,807.80-68,577.30-34,172.60

Finding the Fourth Proportional to 45,807.80, 68,577.30 and 34,172.60

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Solution

The fourth proportional to 45,807.80, 68,577.30 and 34,172.60 is: 51,158.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,807.80 : 68,577.30 = 34,172.60 : x
  2. Step 2: Convert to fraction form
    45,807.80/68,577.30 = 34,172.60/x
  3. Step 3: Cross multiply
    45,807.80x = 68,577.30 × 34,172.60
  4. Step 4: Simplify right side
    45,807.80x = 2,343,464,641.98
  5. Step 5: Solve for x
    x = 2,343,464,641.98/45,807.80
  6. Step 6: Final answer
    x = 51,158.64

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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.