Home / 57,475.28-85,618.90-55,734.32

Finding the Fourth Proportional to 57,475.28, 85,618.90 and 55,734.32

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Solution

The fourth proportional to 57,475.28, 85,618.90 and 55,734.32 is: 83,025.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,475.28 : 85,618.90 = 55,734.32 : x
  2. Step 2: Convert to fraction form
    57,475.28/85,618.90 = 55,734.32/x
  3. Step 3: Cross multiply
    57,475.28x = 85,618.90 × 55,734.32
  4. Step 4: Simplify right side
    57,475.28x = 4,771,911,170.65
  5. Step 5: Solve for x
    x = 4,771,911,170.65/57,475.28
  6. Step 6: Final answer
    x = 83,025.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.