Home / 57,008.16-85,529.52-40,400.32

Finding the Fourth Proportional to 57,008.16, 85,529.52 and 40,400.32

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Solution

The fourth proportional to 57,008.16, 85,529.52 and 40,400.32 is: 60,612.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,008.16 : 85,529.52 = 40,400.32 : x
  2. Step 2: Convert to fraction form
    57,008.16/85,529.52 = 40,400.32/x
  3. Step 3: Cross multiply
    57,008.16x = 85,529.52 × 40,400.32
  4. Step 4: Simplify right side
    57,008.16x = 3,455,419,977.45
  5. Step 5: Solve for x
    x = 3,455,419,977.45/57,008.16
  6. Step 6: Final answer
    x = 60,612.73

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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.