Home / 56,770.47-78,360.21-32,907.87

Finding the Fourth Proportional to 56,770.47, 78,360.21 and 32,907.87

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Solution

The fourth proportional to 56,770.47, 78,360.21 and 32,907.87 is: 45,422.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,770.47 : 78,360.21 = 32,907.87 : x
  2. Step 2: Convert to fraction form
    56,770.47/78,360.21 = 32,907.87/x
  3. Step 3: Cross multiply
    56,770.47x = 78,360.21 × 32,907.87
  4. Step 4: Simplify right side
    56,770.47x = 2,578,667,603.85
  5. Step 5: Solve for x
    x = 2,578,667,603.85/56,770.47
  6. Step 6: Final answer
    x = 45,422.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.