Home / 53,062.83-79,559.01-21,020.65

Finding the Fourth Proportional to 53,062.83, 79,559.01 and 21,020.65

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Solution

The fourth proportional to 53,062.83, 79,559.01 and 21,020.65 is: 31,517.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,062.83 : 79,559.01 = 21,020.65 : x
  2. Step 2: Convert to fraction form
    53,062.83/79,559.01 = 21,020.65/x
  3. Step 3: Cross multiply
    53,062.83x = 79,559.01 × 21,020.65
  4. Step 4: Simplify right side
    53,062.83x = 1,672,381,904.66
  5. Step 5: Solve for x
    x = 1,672,381,904.66/53,062.83
  6. Step 6: Final answer
    x = 31,517.01

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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.