Home / 53,515.72-73,855.86-29,644.66

Finding the Fourth Proportional to 53,515.72, 73,855.86 and 29,644.66

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Solution

The fourth proportional to 53,515.72, 73,855.86 and 29,644.66 is: 40,911.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,515.72 : 73,855.86 = 29,644.66 : x
  2. Step 2: Convert to fraction form
    53,515.72/73,855.86 = 29,644.66/x
  3. Step 3: Cross multiply
    53,515.72x = 73,855.86 × 29,644.66
  4. Step 4: Simplify right side
    53,515.72x = 2,189,431,858.71
  5. Step 5: Solve for x
    x = 2,189,431,858.71/53,515.72
  6. Step 6: Final answer
    x = 40,911.94

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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.