Home / 56,175.80-77,522.67-31,025.30

Finding the Fourth Proportional to 56,175.80, 77,522.67 and 31,025.30

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Solution

The fourth proportional to 56,175.80, 77,522.67 and 31,025.30 is: 42,814.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,175.80 : 77,522.67 = 31,025.30 : x
  2. Step 2: Convert to fraction form
    56,175.80/77,522.67 = 31,025.30/x
  3. Step 3: Cross multiply
    56,175.80x = 77,522.67 × 31,025.30
  4. Step 4: Simplify right side
    56,175.80x = 2,405,163,705.94
  5. Step 5: Solve for x
    x = 2,405,163,705.94/56,175.80
  6. Step 6: Final answer
    x = 42,814.95

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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.