Home / 53,113.26-79,671.80-18,048.36

Finding the Fourth Proportional to 53,113.26, 79,671.80 and 18,048.36

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Solution

The fourth proportional to 53,113.26, 79,671.80 and 18,048.36 is: 27,073.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,113.26 : 79,671.80 = 18,048.36 : x
  2. Step 2: Convert to fraction form
    53,113.26/79,671.80 = 18,048.36/x
  3. Step 3: Cross multiply
    53,113.26x = 79,671.80 × 18,048.36
  4. Step 4: Simplify right side
    53,113.26x = 1,437,945,238.01
  5. Step 5: Solve for x
    x = 1,437,945,238.01/53,113.26
  6. Step 6: Final answer
    x = 27,073.19

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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.