Home / 35,514.39-53,257.75-13,315.66

Finding the Fourth Proportional to 35,514.39, 53,257.75 and 13,315.66

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Solution

The fourth proportional to 35,514.39, 53,257.75 and 13,315.66 is: 19,968.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,514.39 : 53,257.75 = 13,315.66 : x
  2. Step 2: Convert to fraction form
    35,514.39/53,257.75 = 13,315.66/x
  3. Step 3: Cross multiply
    35,514.39x = 53,257.75 × 13,315.66
  4. Step 4: Simplify right side
    35,514.39x = 709,162,091.37
  5. Step 5: Solve for x
    x = 709,162,091.37/35,514.39
  6. Step 6: Final answer
    x = 19,968.30

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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.