Home / 51,001.27-70,380.36-28,339.68

Finding the Fourth Proportional to 51,001.27, 70,380.36 and 28,339.68

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Solution

The fourth proportional to 51,001.27, 70,380.36 and 28,339.68 is: 39,107.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,001.27 : 70,380.36 = 28,339.68 : x
  2. Step 2: Convert to fraction form
    51,001.27/70,380.36 = 28,339.68/x
  3. Step 3: Cross multiply
    51,001.27x = 70,380.36 × 28,339.68
  4. Step 4: Simplify right side
    51,001.27x = 1,994,556,880.68
  5. Step 5: Solve for x
    x = 1,994,556,880.68/51,001.27
  6. Step 6: Final answer
    x = 39,107.98

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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.