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Finding the Fourth Proportional to 56,026.17, 84,038.90 and 22,745.90

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Solution

The fourth proportional to 56,026.17, 84,038.90 and 22,745.90 is: 34,118.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,026.17 : 84,038.90 = 22,745.90 : x
  2. Step 2: Convert to fraction form
    56,026.17/84,038.90 = 22,745.90/x
  3. Step 3: Cross multiply
    56,026.17x = 84,038.90 × 22,745.90
  4. Step 4: Simplify right side
    56,026.17x = 1,911,540,415.51
  5. Step 5: Solve for x
    x = 1,911,540,415.51/56,026.17
  6. Step 6: Final answer
    x = 34,118.71

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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.