Home / 51,830.46-71,526.54-28,860.61

Finding the Fourth Proportional to 51,830.46, 71,526.54 and 28,860.61

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Solution

The fourth proportional to 51,830.46, 71,526.54 and 28,860.61 is: 39,827.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,830.46 : 71,526.54 = 28,860.61 : x
  2. Step 2: Convert to fraction form
    51,830.46/71,526.54 = 28,860.61/x
  3. Step 3: Cross multiply
    51,830.46x = 71,526.54 × 28,860.61
  4. Step 4: Simplify right side
    51,830.46x = 2,064,299,217.96
  5. Step 5: Solve for x
    x = 2,064,299,217.96/51,830.46
  6. Step 6: Final answer
    x = 39,827.92

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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.