Home / 37,107.52-51,208.68-20,340.64

Finding the Fourth Proportional to 37,107.52, 51,208.68 and 20,340.64

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Solution

The fourth proportional to 37,107.52, 51,208.68 and 20,340.64 is: 28,070.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,107.52 : 51,208.68 = 20,340.64 : x
  2. Step 2: Convert to fraction form
    37,107.52/51,208.68 = 20,340.64/x
  3. Step 3: Cross multiply
    37,107.52x = 51,208.68 × 20,340.64
  4. Step 4: Simplify right side
    37,107.52x = 1,041,617,324.76
  5. Step 5: Solve for x
    x = 1,041,617,324.76/37,107.52
  6. Step 6: Final answer
    x = 28,070.25

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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.