Home / 51,265.50-76,909.59-21,708.60

Finding the Fourth Proportional to 51,265.50, 76,909.59 and 21,708.60

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Solution

The fourth proportional to 51,265.50, 76,909.59 and 21,708.60 is: 32,567.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,265.50 : 76,909.59 = 21,708.60 : x
  2. Step 2: Convert to fraction form
    51,265.50/76,909.59 = 21,708.60/x
  3. Step 3: Cross multiply
    51,265.50x = 76,909.59 × 21,708.60
  4. Step 4: Simplify right side
    51,265.50x = 1,669,599,525.47
  5. Step 5: Solve for x
    x = 1,669,599,525.47/51,265.50
  6. Step 6: Final answer
    x = 32,567.70

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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.