Home / 56,929.88-85,408.68-25,756.76

Finding the Fourth Proportional to 56,929.88, 85,408.68 and 25,756.76

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Solution

The fourth proportional to 56,929.88, 85,408.68 and 25,756.76 is: 38,641.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,929.88 : 85,408.68 = 25,756.76 : x
  2. Step 2: Convert to fraction form
    56,929.88/85,408.68 = 25,756.76/x
  3. Step 3: Cross multiply
    56,929.88x = 85,408.68 × 25,756.76
  4. Step 4: Simplify right side
    56,929.88x = 2,199,850,872.68
  5. Step 5: Solve for x
    x = 2,199,850,872.68/56,929.88
  6. Step 6: Final answer
    x = 38,641.41

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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.