Home / 30,227.04-41,727.78-20,172.24

Finding the Fourth Proportional to 30,227.04, 41,727.78 and 20,172.24

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Solution

The fourth proportional to 30,227.04, 41,727.78 and 20,172.24 is: 27,847.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,227.04 : 41,727.78 = 20,172.24 : x
  2. Step 2: Convert to fraction form
    30,227.04/41,727.78 = 20,172.24/x
  3. Step 3: Cross multiply
    30,227.04x = 41,727.78 × 20,172.24
  4. Step 4: Simplify right side
    30,227.04x = 841,742,792.83
  5. Step 5: Solve for x
    x = 841,742,792.83/30,227.04
  6. Step 6: Final answer
    x = 27,847.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.