Home / 51,282.45-70,773.75-28,316.76

Finding the Fourth Proportional to 51,282.45, 70,773.75 and 28,316.76

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Solution

The fourth proportional to 51,282.45, 70,773.75 and 28,316.76 is: 39,079.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,282.45 : 70,773.75 = 28,316.76 : x
  2. Step 2: Convert to fraction form
    51,282.45/70,773.75 = 28,316.76/x
  3. Step 3: Cross multiply
    51,282.45x = 70,773.75 × 28,316.76
  4. Step 4: Simplify right side
    51,282.45x = 2,004,083,027.65
  5. Step 5: Solve for x
    x = 2,004,083,027.65/51,282.45
  6. Step 6: Final answer
    x = 39,079.32

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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.