Home / 53,011.44-79,497.66-15,561.90

Finding the Fourth Proportional to 53,011.44, 79,497.66 and 15,561.90

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Solution

The fourth proportional to 53,011.44, 79,497.66 and 15,561.90 is: 23,337.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,011.44 : 79,497.66 = 15,561.90 : x
  2. Step 2: Convert to fraction form
    53,011.44/79,497.66 = 15,561.90/x
  3. Step 3: Cross multiply
    53,011.44x = 79,497.66 × 15,561.90
  4. Step 4: Simplify right side
    53,011.44x = 1,237,134,635.15
  5. Step 5: Solve for x
    x = 1,237,134,635.15/53,011.44
  6. Step 6: Final answer
    x = 23,337.13

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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.