Home / 57,425.95-79,286.34-51,357.16

Finding the Fourth Proportional to 57,425.95, 79,286.34 and 51,357.16

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Solution

The fourth proportional to 57,425.95, 79,286.34 and 51,357.16 is: 70,907.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,425.95 : 79,286.34 = 51,357.16 : x
  2. Step 2: Convert to fraction form
    57,425.95/79,286.34 = 51,357.16/x
  3. Step 3: Cross multiply
    57,425.95x = 79,286.34 × 51,357.16
  4. Step 4: Simplify right side
    57,425.95x = 4,071,921,249.19
  5. Step 5: Solve for x
    x = 4,071,921,249.19/57,425.95
  6. Step 6: Final answer
    x = 70,907.34

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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.