Home / 56,726.06-85,068.83-18,768.38

Finding the Fourth Proportional to 56,726.06, 85,068.83 and 18,768.38

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Solution

The fourth proportional to 56,726.06, 85,068.83 and 18,768.38 is: 28,145.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,726.06 : 85,068.83 = 18,768.38 : x
  2. Step 2: Convert to fraction form
    56,726.06/85,068.83 = 18,768.38/x
  3. Step 3: Cross multiply
    56,726.06x = 85,068.83 × 18,768.38
  4. Step 4: Simplify right side
    56,726.06x = 1,596,603,749.17
  5. Step 5: Solve for x
    x = 1,596,603,749.17/56,726.06
  6. Step 6: Final answer
    x = 28,145.86

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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.