Home / 57,421.72-79,232.38-31,927.36

Finding the Fourth Proportional to 57,421.72, 79,232.38 and 31,927.36

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Solution

The fourth proportional to 57,421.72, 79,232.38 and 31,927.36 is: 44,054.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,421.72 : 79,232.38 = 31,927.36 : x
  2. Step 2: Convert to fraction form
    57,421.72/79,232.38 = 31,927.36/x
  3. Step 3: Cross multiply
    57,421.72x = 79,232.38 × 31,927.36
  4. Step 4: Simplify right side
    57,421.72x = 2,529,680,719.92
  5. Step 5: Solve for x
    x = 2,529,680,719.92/57,421.72
  6. Step 6: Final answer
    x = 44,054.42

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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.