Home / 51,064.70-70,468.25-28,403.21

Finding the Fourth Proportional to 51,064.70, 70,468.25 and 28,403.21

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Solution

The fourth proportional to 51,064.70, 70,468.25 and 28,403.21 is: 39,195.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,064.70 : 70,468.25 = 28,403.21 : x
  2. Step 2: Convert to fraction form
    51,064.70/70,468.25 = 28,403.21/x
  3. Step 3: Cross multiply
    51,064.70x = 70,468.25 × 28,403.21
  4. Step 4: Simplify right side
    51,064.70x = 2,001,524,380.51
  5. Step 5: Solve for x
    x = 2,001,524,380.51/51,064.70
  6. Step 6: Final answer
    x = 39,195.85

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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.