Home / 69,752.12-104,612.41-19,831.12

Finding the Fourth Proportional to 69,752.12, 104,612.41 and 19,831.12

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Solution

The fourth proportional to 69,752.12, 104,612.41 and 19,831.12 is: 29,742.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,752.12 : 104,612.41 = 19,831.12 : x
  2. Step 2: Convert to fraction form
    69,752.12/104,612.41 = 19,831.12/x
  3. Step 3: Cross multiply
    69,752.12x = 104,612.41 × 19,831.12
  4. Step 4: Simplify right side
    69,752.12x = 2,074,581,019.46
  5. Step 5: Solve for x
    x = 2,074,581,019.46/69,752.12
  6. Step 6: Final answer
    x = 29,742.20

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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.