Home / 37,275.68-51,440.28-20,508.32

Finding the Fourth Proportional to 37,275.68, 51,440.28 and 20,508.32

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Solution

The fourth proportional to 37,275.68, 51,440.28 and 20,508.32 is: 28,301.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,275.68 : 51,440.28 = 20,508.32 : x
  2. Step 2: Convert to fraction form
    37,275.68/51,440.28 = 20,508.32/x
  3. Step 3: Cross multiply
    37,275.68x = 51,440.28 × 20,508.32
  4. Step 4: Simplify right side
    37,275.68x = 1,054,953,723.13
  5. Step 5: Solve for x
    x = 1,054,953,723.13/37,275.68
  6. Step 6: Final answer
    x = 28,301.39

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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.