Home / 51,509.66-71,084.90-28,848.60

Finding the Fourth Proportional to 51,509.66, 71,084.90 and 28,848.60

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Solution

The fourth proportional to 51,509.66, 71,084.90 and 28,848.60 is: 39,811.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,509.66 : 71,084.90 = 28,848.60 : x
  2. Step 2: Convert to fraction form
    51,509.66/71,084.90 = 28,848.60/x
  3. Step 3: Cross multiply
    51,509.66x = 71,084.90 × 28,848.60
  4. Step 4: Simplify right side
    51,509.66x = 2,050,699,918.26
  5. Step 5: Solve for x
    x = 2,050,699,918.26/51,509.66
  6. Step 6: Final answer
    x = 39,811.95

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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.