Home / 79,719.06-119,585.48-20,554.23

Finding the Fourth Proportional to 79,719.06, 119,585.48 and 20,554.23

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Solution

The fourth proportional to 79,719.06, 119,585.48 and 20,554.23 is: 30,833.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,719.06 : 119,585.48 = 20,554.23 : x
  2. Step 2: Convert to fraction form
    79,719.06/119,585.48 = 20,554.23/x
  3. Step 3: Cross multiply
    79,719.06x = 119,585.48 × 20,554.23
  4. Step 4: Simplify right side
    79,719.06x = 2,457,987,357.81
  5. Step 5: Solve for x
    x = 2,457,987,357.81/79,719.06
  6. Step 6: Final answer
    x = 30,833.12

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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.