Home / 51,904.43-71,628.11-28,031.11

Finding the Fourth Proportional to 51,904.43, 71,628.11 and 28,031.11

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Solution

The fourth proportional to 51,904.43, 71,628.11 and 28,031.11 is: 38,682.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,904.43 : 71,628.11 = 28,031.11 : x
  2. Step 2: Convert to fraction form
    51,904.43/71,628.11 = 28,031.11/x
  3. Step 3: Cross multiply
    51,904.43x = 71,628.11 × 28,031.11
  4. Step 4: Simplify right side
    51,904.43x = 2,007,815,321.51
  5. Step 5: Solve for x
    x = 2,007,815,321.51/51,904.43
  6. Step 6: Final answer
    x = 38,682.93

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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.