Home / 51,555.24-71,151.12-28,894.08

Finding the Fourth Proportional to 51,555.24, 71,151.12 and 28,894.08

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Solution

The fourth proportional to 51,555.24, 71,151.12 and 28,894.08 is: 39,876.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,555.24 : 71,151.12 = 28,894.08 : x
  2. Step 2: Convert to fraction form
    51,555.24/71,151.12 = 28,894.08/x
  3. Step 3: Cross multiply
    51,555.24x = 71,151.12 × 28,894.08
  4. Step 4: Simplify right side
    51,555.24x = 2,055,846,153.37
  5. Step 5: Solve for x
    x = 2,055,846,153.37/51,555.24
  6. Step 6: Final answer
    x = 39,876.57

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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.