Home / 38,810.84-58,216.63-21,271.10

Finding the Fourth Proportional to 38,810.84, 58,216.63 and 21,271.10

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Solution

The fourth proportional to 38,810.84, 58,216.63 and 21,271.10 is: 31,906.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,810.84 : 58,216.63 = 21,271.10 : x
  2. Step 2: Convert to fraction form
    38,810.84/58,216.63 = 21,271.10/x
  3. Step 3: Cross multiply
    38,810.84x = 58,216.63 × 21,271.10
  4. Step 4: Simplify right side
    38,810.84x = 1,238,331,414.13
  5. Step 5: Solve for x
    x = 1,238,331,414.13/38,810.84
  6. Step 6: Final answer
    x = 31,906.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.