Home / 53,713.22-80,569.76-18,653.18

Finding the Fourth Proportional to 53,713.22, 80,569.76 and 18,653.18

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Solution

The fourth proportional to 53,713.22, 80,569.76 and 18,653.18 is: 27,979.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,713.22 : 80,569.76 = 18,653.18 : x
  2. Step 2: Convert to fraction form
    53,713.22/80,569.76 = 18,653.18/x
  3. Step 3: Cross multiply
    53,713.22x = 80,569.76 × 18,653.18
  4. Step 4: Simplify right side
    53,713.22x = 1,502,881,739.72
  5. Step 5: Solve for x
    x = 1,502,881,739.72/53,713.22
  6. Step 6: Final answer
    x = 27,979.74

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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.