Home / 56,313.44-84,482.20-20,774.88

Finding the Fourth Proportional to 56,313.44, 84,482.20 and 20,774.88

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Solution

The fourth proportional to 56,313.44, 84,482.20 and 20,774.88 is: 31,166.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,313.44 : 84,482.20 = 20,774.88 : x
  2. Step 2: Convert to fraction form
    56,313.44/84,482.20 = 20,774.88/x
  3. Step 3: Cross multiply
    56,313.44x = 84,482.20 × 20,774.88
  4. Step 4: Simplify right side
    56,313.44x = 1,755,107,567.14
  5. Step 5: Solve for x
    x = 1,755,107,567.14/56,313.44
  6. Step 6: Final answer
    x = 31,166.76

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1.5x scale

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.