Home / 56,764.18-78,334.60-32,904.70

Finding the Fourth Proportional to 56,764.18, 78,334.60 and 32,904.70

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Solution

The fourth proportional to 56,764.18, 78,334.60 and 32,904.70 is: 45,408.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,764.18 : 78,334.60 = 32,904.70 : x
  2. Step 2: Convert to fraction form
    56,764.18/78,334.60 = 32,904.70/x
  3. Step 3: Cross multiply
    56,764.18x = 78,334.60 × 32,904.70
  4. Step 4: Simplify right side
    56,764.18x = 2,577,576,512.62
  5. Step 5: Solve for x
    x = 2,577,576,512.62/56,764.18
  6. Step 6: Final answer
    x = 45,408.50

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1.5x scale

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.