Home / 45,424.98-68,148.72-21,750.54

Finding the Fourth Proportional to 45,424.98, 68,148.72 and 21,750.54

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Solution

The fourth proportional to 45,424.98, 68,148.72 and 21,750.54 is: 32,631.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,424.98 : 68,148.72 = 21,750.54 : x
  2. Step 2: Convert to fraction form
    45,424.98/68,148.72 = 21,750.54/x
  3. Step 3: Cross multiply
    45,424.98x = 68,148.72 × 21,750.54
  4. Step 4: Simplify right side
    45,424.98x = 1,482,271,460.31
  5. Step 5: Solve for x
    x = 1,482,271,460.31/45,424.98
  6. Step 6: Final answer
    x = 32,631.20

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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.