Home / 51,657.83-77,487.68-14,217.69

Finding the Fourth Proportional to 51,657.83, 77,487.68 and 14,217.69

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Solution

The fourth proportional to 51,657.83, 77,487.68 and 14,217.69 is: 21,326.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,657.83 : 77,487.68 = 14,217.69 : x
  2. Step 2: Convert to fraction form
    51,657.83/77,487.68 = 14,217.69/x
  3. Step 3: Cross multiply
    51,657.83x = 77,487.68 × 14,217.69
  4. Step 4: Simplify right side
    51,657.83x = 1,101,695,848.60
  5. Step 5: Solve for x
    x = 1,101,695,848.60/51,657.83
  6. Step 6: Final answer
    x = 21,326.80

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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.