Home / 56,880.60-85,385.70-33,520.20

Finding the Fourth Proportional to 56,880.60, 85,385.70 and 33,520.20

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Solution

The fourth proportional to 56,880.60, 85,385.70 and 33,520.20 is: 50,318.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,880.60 : 85,385.70 = 33,520.20 : x
  2. Step 2: Convert to fraction form
    56,880.60/85,385.70 = 33,520.20/x
  3. Step 3: Cross multiply
    56,880.60x = 85,385.70 × 33,520.20
  4. Step 4: Simplify right side
    56,880.60x = 2,862,145,741.14
  5. Step 5: Solve for x
    x = 2,862,145,741.14/56,880.60
  6. Step 6: Final answer
    x = 50,318.49

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1.5x scale

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.