Home / 30,239.06-45,343.01-13,584.79

Finding the Fourth Proportional to 30,239.06, 45,343.01 and 13,584.79

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Solution

The fourth proportional to 30,239.06, 45,343.01 and 13,584.79 is: 20,370.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,239.06 : 45,343.01 = 13,584.79 : x
  2. Step 2: Convert to fraction form
    30,239.06/45,343.01 = 13,584.79/x
  3. Step 3: Cross multiply
    30,239.06x = 45,343.01 × 13,584.79
  4. Step 4: Simplify right side
    30,239.06x = 615,975,189.42
  5. Step 5: Solve for x
    x = 615,975,189.42/30,239.06
  6. Step 6: Final answer
    x = 20,370.19

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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.