Home / 57,028.32-85,646.16-49,684.32

Finding the Fourth Proportional to 57,028.32, 85,646.16 and 49,684.32

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Solution

The fourth proportional to 57,028.32, 85,646.16 and 49,684.32 is: 74,616.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,028.32 : 85,646.16 = 49,684.32 : x
  2. Step 2: Convert to fraction form
    57,028.32/85,646.16 = 49,684.32/x
  3. Step 3: Cross multiply
    57,028.32x = 85,646.16 × 49,684.32
  4. Step 4: Simplify right side
    57,028.32x = 4,255,271,220.21
  5. Step 5: Solve for x
    x = 4,255,271,220.21/57,028.32
  6. Step 6: Final answer
    x = 74,616.81

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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.