Home / 53,009.57-79,518.22-19,729.63

Finding the Fourth Proportional to 53,009.57, 79,518.22 and 19,729.63

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Solution

The fourth proportional to 53,009.57, 79,518.22 and 19,729.63 is: 29,595.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,009.57 : 79,518.22 = 19,729.63 : x
  2. Step 2: Convert to fraction form
    53,009.57/79,518.22 = 19,729.63/x
  3. Step 3: Cross multiply
    53,009.57x = 79,518.22 × 19,729.63
  4. Step 4: Simplify right side
    53,009.57x = 1,568,864,810.74
  5. Step 5: Solve for x
    x = 1,568,864,810.74/53,009.57
  6. Step 6: Final answer
    x = 29,595.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.