Home / 35,440.93-48,906.58-21,116.99

Finding the Fourth Proportional to 35,440.93, 48,906.58 and 21,116.99

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Solution

The fourth proportional to 35,440.93, 48,906.58 and 21,116.99 is: 29,140.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,440.93 : 48,906.58 = 21,116.99 : x
  2. Step 2: Convert to fraction form
    35,440.93/48,906.58 = 21,116.99/x
  3. Step 3: Cross multiply
    35,440.93x = 48,906.58 × 21,116.99
  4. Step 4: Simplify right side
    35,440.93x = 1,032,759,463.47
  5. Step 5: Solve for x
    x = 1,032,759,463.47/35,440.93
  6. Step 6: Final answer
    x = 29,140.31

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1.5x scale

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.