Home / 51,134.50-70,572.09-28,782.82

Finding the Fourth Proportional to 51,134.50, 70,572.09 and 28,782.82

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Solution

The fourth proportional to 51,134.50, 70,572.09 and 28,782.82 is: 39,723.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,134.50 : 70,572.09 = 28,782.82 : x
  2. Step 2: Convert to fraction form
    51,134.50/70,572.09 = 28,782.82/x
  3. Step 3: Cross multiply
    51,134.50x = 70,572.09 × 28,782.82
  4. Step 4: Simplify right side
    51,134.50x = 2,031,263,763.49
  5. Step 5: Solve for x
    x = 2,031,263,763.49/51,134.50
  6. Step 6: Final answer
    x = 39,723.94

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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.