Home / 34,642.49-47,806.77-21,901.25

Finding the Fourth Proportional to 34,642.49, 47,806.77 and 21,901.25

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Solution

The fourth proportional to 34,642.49, 47,806.77 and 21,901.25 is: 30,223.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,642.49 : 47,806.77 = 21,901.25 : x
  2. Step 2: Convert to fraction form
    34,642.49/47,806.77 = 21,901.25/x
  3. Step 3: Cross multiply
    34,642.49x = 47,806.77 × 21,901.25
  4. Step 4: Simplify right side
    34,642.49x = 1,047,028,223.11
  5. Step 5: Solve for x
    x = 1,047,028,223.11/34,642.49
  6. Step 6: Final answer
    x = 30,223.82

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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.