Home / 53,302.29-79,955.49-13,858.38

Finding the Fourth Proportional to 53,302.29, 79,955.49 and 13,858.38

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Solution

The fourth proportional to 53,302.29, 79,955.49 and 13,858.38 is: 20,788.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,302.29 : 79,955.49 = 13,858.38 : x
  2. Step 2: Convert to fraction form
    53,302.29/79,955.49 = 13,858.38/x
  3. Step 3: Cross multiply
    53,302.29x = 79,955.49 × 13,858.38
  4. Step 4: Simplify right side
    53,302.29x = 1,108,053,563.51
  5. Step 5: Solve for x
    x = 1,108,053,563.51/53,302.29
  6. Step 6: Final answer
    x = 20,788.10

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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.