Home / 57,400.58-79,212.74-31,906.16

Finding the Fourth Proportional to 57,400.58, 79,212.74 and 31,906.16

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Solution

The fourth proportional to 57,400.58, 79,212.74 and 31,906.16 is: 44,030.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,400.58 : 79,212.74 = 31,906.16 : x
  2. Step 2: Convert to fraction form
    57,400.58/79,212.74 = 31,906.16/x
  3. Step 3: Cross multiply
    57,400.58x = 79,212.74 × 31,906.16
  4. Step 4: Simplify right side
    57,400.58x = 2,527,374,356.48
  5. Step 5: Solve for x
    x = 2,527,374,356.48/57,400.58
  6. Step 6: Final answer
    x = 44,030.47

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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.