Home / 53,215.26-79,823.67-15,779.14

Finding the Fourth Proportional to 53,215.26, 79,823.67 and 15,779.14

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Solution

The fourth proportional to 53,215.26, 79,823.67 and 15,779.14 is: 23,668.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,215.26 : 79,823.67 = 15,779.14 : x
  2. Step 2: Convert to fraction form
    53,215.26/79,823.67 = 15,779.14/x
  3. Step 3: Cross multiply
    53,215.26x = 79,823.67 × 15,779.14
  4. Step 4: Simplify right side
    53,215.26x = 1,259,548,864.24
  5. Step 5: Solve for x
    x = 1,259,548,864.24/53,215.26
  6. Step 6: Final answer
    x = 23,668.94

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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.