Home / 57,715.32-79,647.72-32,565.36

Finding the Fourth Proportional to 57,715.32, 79,647.72 and 32,565.36

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Solution

The fourth proportional to 57,715.32, 79,647.72 and 32,565.36 is: 44,940.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,715.32 : 79,647.72 = 32,565.36 : x
  2. Step 2: Convert to fraction form
    57,715.32/79,647.72 = 32,565.36/x
  3. Step 3: Cross multiply
    57,715.32x = 79,647.72 × 32,565.36
  4. Step 4: Simplify right side
    57,715.32x = 2,593,756,674.98
  5. Step 5: Solve for x
    x = 2,593,756,674.98/57,715.32
  6. Step 6: Final answer
    x = 44,940.52

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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.