Home / 56,931.32-78,564.92-33,063.86

Finding the Fourth Proportional to 56,931.32, 78,564.92 and 33,063.86

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Solution

The fourth proportional to 56,931.32, 78,564.92 and 33,063.86 is: 45,627.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,931.32 : 78,564.92 = 33,063.86 : x
  2. Step 2: Convert to fraction form
    56,931.32/78,564.92 = 33,063.86/x
  3. Step 3: Cross multiply
    56,931.32x = 78,564.92 × 33,063.86
  4. Step 4: Simplify right side
    56,931.32x = 2,597,659,515.79
  5. Step 5: Solve for x
    x = 2,597,659,515.79/56,931.32
  6. Step 6: Final answer
    x = 45,627.95

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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.