Home / 37,433.80-51,663.06-21,518.92

Finding the Fourth Proportional to 37,433.80, 51,663.06 and 21,518.92

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Solution

The fourth proportional to 37,433.80, 51,663.06 and 21,518.92 is: 29,698.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,433.80 : 51,663.06 = 21,518.92 : x
  2. Step 2: Convert to fraction form
    37,433.80/51,663.06 = 21,518.92/x
  3. Step 3: Cross multiply
    37,433.80x = 51,663.06 × 21,518.92
  4. Step 4: Simplify right side
    37,433.80x = 1,111,733,255.10
  5. Step 5: Solve for x
    x = 1,111,733,255.10/37,433.80
  6. Step 6: Final answer
    x = 29,698.65

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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.