Home / 51,007.07-70,389.49-28,037.42

Finding the Fourth Proportional to 51,007.07, 70,389.49 and 28,037.42

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Solution

The fourth proportional to 51,007.07, 70,389.49 and 28,037.42 is: 38,691.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,007.07 : 70,389.49 = 28,037.42 : x
  2. Step 2: Convert to fraction form
    51,007.07/70,389.49 = 28,037.42/x
  3. Step 3: Cross multiply
    51,007.07x = 70,389.49 × 28,037.42
  4. Step 4: Simplify right side
    51,007.07x = 1,973,539,694.72
  5. Step 5: Solve for x
    x = 1,973,539,694.72/51,007.07
  6. Step 6: Final answer
    x = 38,691.49

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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.