Home / 47,566.40-65,642.11-28,699.88

Finding the Fourth Proportional to 47,566.40, 65,642.11 and 28,699.88

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Solution

The fourth proportional to 47,566.40, 65,642.11 and 28,699.88 is: 39,606.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,566.40 : 65,642.11 = 28,699.88 : x
  2. Step 2: Convert to fraction form
    47,566.40/65,642.11 = 28,699.88/x
  3. Step 3: Cross multiply
    47,566.40x = 65,642.11 × 28,699.88
  4. Step 4: Simplify right side
    47,566.40x = 1,883,920,279.99
  5. Step 5: Solve for x
    x = 1,883,920,279.99/47,566.40
  6. Step 6: Final answer
    x = 39,606.12

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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.