Home / 45,281.24-67,948.30-18,983.96

Finding the Fourth Proportional to 45,281.24, 67,948.30 and 18,983.96

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Solution

The fourth proportional to 45,281.24, 67,948.30 and 18,983.96 is: 28,487.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,281.24 : 67,948.30 = 18,983.96 : x
  2. Step 2: Convert to fraction form
    45,281.24/67,948.30 = 18,983.96/x
  3. Step 3: Cross multiply
    45,281.24x = 67,948.30 × 18,983.96
  4. Step 4: Simplify right side
    45,281.24x = 1,289,927,809.27
  5. Step 5: Solve for x
    x = 1,289,927,809.27/45,281.24
  6. Step 6: Final answer
    x = 28,487.02

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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.