Home / 56,764.38-85,117.41-30,491.22

Finding the Fourth Proportional to 56,764.38, 85,117.41 and 30,491.22

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Solution

The fourth proportional to 56,764.38, 85,117.41 and 30,491.22 is: 45,721.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,764.38 : 85,117.41 = 30,491.22 : x
  2. Step 2: Convert to fraction form
    56,764.38/85,117.41 = 30,491.22/x
  3. Step 3: Cross multiply
    56,764.38x = 85,117.41 × 30,491.22
  4. Step 4: Simplify right side
    56,764.38x = 2,595,333,674.14
  5. Step 5: Solve for x
    x = 2,595,333,674.14/56,764.38
  6. Step 6: Final answer
    x = 45,721.17

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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.