Home / 53,215.76-79,824.42-15,779.64

Finding the Fourth Proportional to 53,215.76, 79,824.42 and 15,779.64

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Solution

The fourth proportional to 53,215.76, 79,824.42 and 15,779.64 is: 23,669.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,215.76 : 79,824.42 = 15,779.64 : x
  2. Step 2: Convert to fraction form
    53,215.76/79,824.42 = 15,779.64/x
  3. Step 3: Cross multiply
    53,215.76x = 79,824.42 × 15,779.64
  4. Step 4: Simplify right side
    53,215.76x = 1,259,600,610.81
  5. Step 5: Solve for x
    x = 1,259,600,610.81/53,215.76
  6. Step 6: Final answer
    x = 23,669.69

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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.