Home / 56,310.34-77,705.05-31,158.34

Finding the Fourth Proportional to 56,310.34, 77,705.05 and 31,158.34

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Solution

The fourth proportional to 56,310.34, 77,705.05 and 31,158.34 is: 42,996.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,310.34 : 77,705.05 = 31,158.34 : x
  2. Step 2: Convert to fraction form
    56,310.34/77,705.05 = 31,158.34/x
  3. Step 3: Cross multiply
    56,310.34x = 77,705.05 × 31,158.34
  4. Step 4: Simplify right side
    56,310.34x = 2,421,160,367.62
  5. Step 5: Solve for x
    x = 2,421,160,367.62/56,310.34
  6. Step 6: Final answer
    x = 42,996.73

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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.