Home / 56,322.29-84,472.67-16,879.40

Finding the Fourth Proportional to 56,322.29, 84,472.67 and 16,879.40

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Solution

The fourth proportional to 56,322.29, 84,472.67 and 16,879.40 is: 25,315.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,322.29 : 84,472.67 = 16,879.40 : x
  2. Step 2: Convert to fraction form
    56,322.29/84,472.67 = 16,879.40/x
  3. Step 3: Cross multiply
    56,322.29x = 84,472.67 × 16,879.40
  4. Step 4: Simplify right side
    56,322.29x = 1,425,847,479.24
  5. Step 5: Solve for x
    x = 1,425,847,479.24/56,322.29
  6. Step 6: Final answer
    x = 25,315.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.