Home / 30,479.93-45,719.91-20,016.05

Finding the Fourth Proportional to 30,479.93, 45,719.91 and 20,016.05

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Solution

The fourth proportional to 30,479.93, 45,719.91 and 20,016.05 is: 30,024.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,479.93 : 45,719.91 = 20,016.05 : x
  2. Step 2: Convert to fraction form
    30,479.93/45,719.91 = 20,016.05/x
  3. Step 3: Cross multiply
    30,479.93x = 45,719.91 × 20,016.05
  4. Step 4: Simplify right side
    30,479.93x = 915,132,004.56
  5. Step 5: Solve for x
    x = 915,132,004.56/30,479.93
  6. Step 6: Final answer
    x = 30,024.08

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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.