Home / 51,718.24-71,378.94-31,586.80

Finding the Fourth Proportional to 51,718.24, 71,378.94 and 31,586.80

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Solution

The fourth proportional to 51,718.24, 71,378.94 and 31,586.80 is: 43,594.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,718.24 : 71,378.94 = 31,586.80 : x
  2. Step 2: Convert to fraction form
    51,718.24/71,378.94 = 31,586.80/x
  3. Step 3: Cross multiply
    51,718.24x = 71,378.94 × 31,586.80
  4. Step 4: Simplify right side
    51,718.24x = 2,254,632,301.99
  5. Step 5: Solve for x
    x = 2,254,632,301.99/51,718.24
  6. Step 6: Final answer
    x = 43,594.53

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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.