Home / 30,443.54-41,984.79-25,355.95

Finding the Fourth Proportional to 30,443.54, 41,984.79 and 25,355.95

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Solution

The fourth proportional to 30,443.54, 41,984.79 and 25,355.95 is: 34,968.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,443.54 : 41,984.79 = 25,355.95 : x
  2. Step 2: Convert to fraction form
    30,443.54/41,984.79 = 25,355.95/x
  3. Step 3: Cross multiply
    30,443.54x = 41,984.79 × 25,355.95
  4. Step 4: Simplify right side
    30,443.54x = 1,064,563,957.23
  5. Step 5: Solve for x
    x = 1,064,563,957.23/30,443.54
  6. Step 6: Final answer
    x = 34,968.47

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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.