Home / 51,247.80-70,722.06-28,588.23

Finding the Fourth Proportional to 51,247.80, 70,722.06 and 28,588.23

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Solution

The fourth proportional to 51,247.80, 70,722.06 and 28,588.23 is: 39,451.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,247.80 : 70,722.06 = 28,588.23 : x
  2. Step 2: Convert to fraction form
    51,247.80/70,722.06 = 28,588.23/x
  3. Step 3: Cross multiply
    51,247.80x = 70,722.06 × 28,588.23
  4. Step 4: Simplify right side
    51,247.80x = 2,021,818,517.35
  5. Step 5: Solve for x
    x = 2,021,818,517.35/51,247.80
  6. Step 6: Final answer
    x = 39,451.81

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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.