Home / 53,146.29-79,724.02-13,703.07

Finding the Fourth Proportional to 53,146.29, 79,724.02 and 13,703.07

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Solution

The fourth proportional to 53,146.29, 79,724.02 and 13,703.07 is: 20,555.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,146.29 : 79,724.02 = 13,703.07 : x
  2. Step 2: Convert to fraction form
    53,146.29/79,724.02 = 13,703.07/x
  3. Step 3: Cross multiply
    53,146.29x = 79,724.02 × 13,703.07
  4. Step 4: Simplify right side
    53,146.29x = 1,092,463,826.74
  5. Step 5: Solve for x
    x = 1,092,463,826.74/53,146.29
  6. Step 6: Final answer
    x = 20,555.79

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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.