Home / 40,021.56-60,048.81-20,306.16

Finding the Fourth Proportional to 40,021.56, 60,048.81 and 20,306.16

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Solution

The fourth proportional to 40,021.56, 60,048.81 and 20,306.16 is: 30,467.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,021.56 : 60,048.81 = 20,306.16 : x
  2. Step 2: Convert to fraction form
    40,021.56/60,048.81 = 20,306.16/x
  3. Step 3: Cross multiply
    40,021.56x = 60,048.81 × 20,306.16
  4. Step 4: Simplify right side
    40,021.56x = 1,219,360,743.67
  5. Step 5: Solve for x
    x = 1,219,360,743.67/40,021.56
  6. Step 6: Final answer
    x = 30,467.60

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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.