Home / 29,831.08-44,747.98-21,105

Finding the Fourth Proportional to 29,831.08, 44,747.98 and 21,105

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Solution

The fourth proportional to 29,831.08, 44,747.98 and 21,105 is: 31,658.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,831.08 : 44,747.98 = 21,105 : x
  2. Step 2: Convert to fraction form
    29,831.08/44,747.98 = 21,105/x
  3. Step 3: Cross multiply
    29,831.08x = 44,747.98 × 21,105
  4. Step 4: Simplify right side
    29,831.08x = 944,406,117.90
  5. Step 5: Solve for x
    x = 944,406,117.90/29,831.08
  6. Step 6: Final answer
    x = 31,658.46

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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.