Home / 57,337.66-79,065.48-40,336.30

Finding the Fourth Proportional to 57,337.66, 79,065.48 and 40,336.30

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Solution

The fourth proportional to 57,337.66, 79,065.48 and 40,336.30 is: 55,621.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,337.66 : 79,065.48 = 40,336.30 : x
  2. Step 2: Convert to fraction form
    57,337.66/79,065.48 = 40,336.30/x
  3. Step 3: Cross multiply
    57,337.66x = 79,065.48 × 40,336.30
  4. Step 4: Simplify right side
    57,337.66x = 3,189,208,920.92
  5. Step 5: Solve for x
    x = 3,189,208,920.92/57,337.66
  6. Step 6: Final answer
    x = 55,621.54

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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.