Home / 54,831.28-82,246.98-42,369.46

Finding the Fourth Proportional to 54,831.28, 82,246.98 and 42,369.46

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Solution

The fourth proportional to 54,831.28, 82,246.98 and 42,369.46 is: 63,554.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,831.28 : 82,246.98 = 42,369.46 : x
  2. Step 2: Convert to fraction form
    54,831.28/82,246.98 = 42,369.46/x
  3. Step 3: Cross multiply
    54,831.28x = 82,246.98 × 42,369.46
  4. Step 4: Simplify right side
    54,831.28x = 3,484,760,129.23
  5. Step 5: Solve for x
    x = 3,484,760,129.23/54,831.28
  6. Step 6: Final answer
    x = 63,554.24

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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.