Home / 47,566.21-65,641.85-28,699.69

Finding the Fourth Proportional to 47,566.21, 65,641.85 and 28,699.69

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Solution

The fourth proportional to 47,566.21, 65,641.85 and 28,699.69 is: 39,605.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,566.21 : 65,641.85 = 28,699.69 : x
  2. Step 2: Convert to fraction form
    47,566.21/65,641.85 = 28,699.69/x
  3. Step 3: Cross multiply
    47,566.21x = 65,641.85 × 28,699.69
  4. Step 4: Simplify right side
    47,566.21x = 1,883,900,653.67
  5. Step 5: Solve for x
    x = 1,883,900,653.67/47,566.21
  6. Step 6: Final answer
    x = 39,605.86

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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.