Home / 53,326.08-79,992.77-18,290.34

Finding the Fourth Proportional to 53,326.08, 79,992.77 and 18,290.34

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Solution

The fourth proportional to 53,326.08, 79,992.77 and 18,290.34 is: 27,436.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,326.08 : 79,992.77 = 18,290.34 : x
  2. Step 2: Convert to fraction form
    53,326.08/79,992.77 = 18,290.34/x
  3. Step 3: Cross multiply
    53,326.08x = 79,992.77 × 18,290.34
  4. Step 4: Simplify right side
    53,326.08x = 1,463,094,869.39
  5. Step 5: Solve for x
    x = 1,463,094,869.39/53,326.08
  6. Step 6: Final answer
    x = 27,436.76

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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.