Home / 35,258.16-48,651.12-21,108

Finding the Fourth Proportional to 35,258.16, 48,651.12 and 21,108

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Solution

The fourth proportional to 35,258.16, 48,651.12 and 21,108 is: 29,125.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,258.16 : 48,651.12 = 21,108 : x
  2. Step 2: Convert to fraction form
    35,258.16/48,651.12 = 21,108/x
  3. Step 3: Cross multiply
    35,258.16x = 48,651.12 × 21,108
  4. Step 4: Simplify right side
    35,258.16x = 1,026,927,840.96
  5. Step 5: Solve for x
    x = 1,026,927,840.96/35,258.16
  6. Step 6: Final answer
    x = 29,125.96

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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.