Home / 37,275.15-51,440.12-20,279.49

Finding the Fourth Proportional to 37,275.15, 51,440.12 and 20,279.49

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Solution

The fourth proportional to 37,275.15, 51,440.12 and 20,279.49 is: 27,985.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,275.15 : 51,440.12 = 20,279.49 : x
  2. Step 2: Convert to fraction form
    37,275.15/51,440.12 = 20,279.49/x
  3. Step 3: Cross multiply
    37,275.15x = 51,440.12 × 20,279.49
  4. Step 4: Simplify right side
    37,275.15x = 1,043,179,297.74
  5. Step 5: Solve for x
    x = 1,043,179,297.74/37,275.15
  6. Step 6: Final answer
    x = 27,985.92

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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.