Home / 51,499.90-71,063.99-28,835.74

Finding the Fourth Proportional to 51,499.90, 71,063.99 and 28,835.74

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Solution

The fourth proportional to 51,499.90, 71,063.99 and 28,835.74 is: 39,790.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,499.90 : 71,063.99 = 28,835.74 : x
  2. Step 2: Convert to fraction form
    51,499.90/71,063.99 = 28,835.74/x
  3. Step 3: Cross multiply
    51,499.90x = 71,063.99 × 28,835.74
  4. Step 4: Simplify right side
    51,499.90x = 2,049,182,542.04
  5. Step 5: Solve for x
    x = 2,049,182,542.04/51,499.90
  6. Step 6: Final answer
    x = 39,790.03

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1.5x scale

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.