Home / 37,417.92-51,636.84-20,422.32

Finding the Fourth Proportional to 37,417.92, 51,636.84 and 20,422.32

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Solution

The fourth proportional to 37,417.92, 51,636.84 and 20,422.32 is: 28,182.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,417.92 : 51,636.84 = 20,422.32 : x
  2. Step 2: Convert to fraction form
    37,417.92/51,636.84 = 20,422.32/x
  3. Step 3: Cross multiply
    37,417.92x = 51,636.84 × 20,422.32
  4. Step 4: Simplify right side
    37,417.92x = 1,054,544,070.27
  5. Step 5: Solve for x
    x = 1,054,544,070.27/37,417.92
  6. Step 6: Final answer
    x = 28,182.86

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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.