Home / 53,242.36-79,863.47-13,799.51

Finding the Fourth Proportional to 53,242.36, 79,863.47 and 13,799.51

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Solution

The fourth proportional to 53,242.36, 79,863.47 and 13,799.51 is: 20,699.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,242.36 : 79,863.47 = 13,799.51 : x
  2. Step 2: Convert to fraction form
    53,242.36/79,863.47 = 13,799.51/x
  3. Step 3: Cross multiply
    53,242.36x = 79,863.47 × 13,799.51
  4. Step 4: Simplify right side
    53,242.36x = 1,102,077,085.05
  5. Step 5: Solve for x
    x = 1,102,077,085.05/53,242.36
  6. Step 6: Final answer
    x = 20,699.25

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Similar ratio
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1.5x scale

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.