Home / 45,280.42-67,939.91-22,779.28

Finding the Fourth Proportional to 45,280.42, 67,939.91 and 22,779.28

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Solution

The fourth proportional to 45,280.42, 67,939.91 and 22,779.28 is: 34,178.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,280.42 : 67,939.91 = 22,779.28 : x
  2. Step 2: Convert to fraction form
    45,280.42/67,939.91 = 22,779.28/x
  3. Step 3: Cross multiply
    45,280.42x = 67,939.91 × 22,779.28
  4. Step 4: Simplify right side
    45,280.42x = 1,547,622,035.49
  5. Step 5: Solve for x
    x = 1,547,622,035.49/45,280.42
  6. Step 6: Final answer
    x = 34,178.62

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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.