Home / 34,989.48-48,258.18-22,415.40

Finding the Fourth Proportional to 34,989.48, 48,258.18 and 22,415.40

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Solution

The fourth proportional to 34,989.48, 48,258.18 and 22,415.40 is: 30,915.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,989.48 : 48,258.18 = 22,415.40 : x
  2. Step 2: Convert to fraction form
    34,989.48/48,258.18 = 22,415.40/x
  3. Step 3: Cross multiply
    34,989.48x = 48,258.18 × 22,415.40
  4. Step 4: Simplify right side
    34,989.48x = 1,081,726,407.97
  5. Step 5: Solve for x
    x = 1,081,726,407.97/34,989.48
  6. Step 6: Final answer
    x = 30,915.76

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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.