Home / 31,026.43-42,831.35-19,099.99

Finding the Fourth Proportional to 31,026.43, 42,831.35 and 19,099.99

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Solution

The fourth proportional to 31,026.43, 42,831.35 and 19,099.99 is: 26,367.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,026.43 : 42,831.35 = 19,099.99 : x
  2. Step 2: Convert to fraction form
    31,026.43/42,831.35 = 19,099.99/x
  3. Step 3: Cross multiply
    31,026.43x = 42,831.35 × 19,099.99
  4. Step 4: Simplify right side
    31,026.43x = 818,078,261.19
  5. Step 5: Solve for x
    x = 818,078,261.19/31,026.43
  6. Step 6: Final answer
    x = 26,367.14

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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.