Home / 51,317.30-70,816.49-28,655.66

Finding the Fourth Proportional to 51,317.30, 70,816.49 and 28,655.66

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Solution

The fourth proportional to 51,317.30, 70,816.49 and 28,655.66 is: 39,544.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,317.30 : 70,816.49 = 28,655.66 : x
  2. Step 2: Convert to fraction form
    51,317.30/70,816.49 = 28,655.66/x
  3. Step 3: Cross multiply
    51,317.30x = 70,816.49 × 28,655.66
  4. Step 4: Simplify right side
    51,317.30x = 2,029,293,163.90
  5. Step 5: Solve for x
    x = 2,029,293,163.90/51,317.30
  6. Step 6: Final answer
    x = 39,544.04

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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.