Home / 56,452.94-77,906.13-30,957.79

Finding the Fourth Proportional to 56,452.94, 77,906.13 and 30,957.79

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Solution

The fourth proportional to 56,452.94, 77,906.13 and 30,957.79 is: 42,722.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,452.94 : 77,906.13 = 30,957.79 : x
  2. Step 2: Convert to fraction form
    56,452.94/77,906.13 = 30,957.79/x
  3. Step 3: Cross multiply
    56,452.94x = 77,906.13 × 30,957.79
  4. Step 4: Simplify right side
    56,452.94x = 2,411,801,222.72
  5. Step 5: Solve for x
    x = 2,411,801,222.72/56,452.94
  6. Step 6: Final answer
    x = 42,722.33

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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.