Home / 51,136.08-70,565.88-28,475.88

Finding the Fourth Proportional to 51,136.08, 70,565.88 and 28,475.88

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Solution

The fourth proportional to 51,136.08, 70,565.88 and 28,475.88 is: 39,295.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,136.08 : 70,565.88 = 28,475.88 : x
  2. Step 2: Convert to fraction form
    51,136.08/70,565.88 = 28,475.88/x
  3. Step 3: Cross multiply
    51,136.08x = 70,565.88 × 28,475.88
  4. Step 4: Simplify right side
    51,136.08x = 2,009,425,530.97
  5. Step 5: Solve for x
    x = 2,009,425,530.97/51,136.08
  6. Step 6: Final answer
    x = 39,295.65

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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.