Home / 57,158.37-85,697.46-30,880.35

Finding the Fourth Proportional to 57,158.37, 85,697.46 and 30,880.35

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Solution

The fourth proportional to 57,158.37, 85,697.46 and 30,880.35 is: 46,298.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,158.37 : 85,697.46 = 30,880.35 : x
  2. Step 2: Convert to fraction form
    57,158.37/85,697.46 = 30,880.35/x
  3. Step 3: Cross multiply
    57,158.37x = 85,697.46 × 30,880.35
  4. Step 4: Simplify right side
    57,158.37x = 2,646,367,558.91
  5. Step 5: Solve for x
    x = 2,646,367,558.91/57,158.37
  6. Step 6: Final answer
    x = 46,298.86

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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.