Home / 39,214.95-54,116.70-21,310.17

Finding the Fourth Proportional to 39,214.95, 54,116.70 and 21,310.17

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Solution

The fourth proportional to 39,214.95, 54,116.70 and 21,310.17 is: 29,408.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,214.95 : 54,116.70 = 21,310.17 : x
  2. Step 2: Convert to fraction form
    39,214.95/54,116.70 = 21,310.17/x
  3. Step 3: Cross multiply
    39,214.95x = 54,116.70 × 21,310.17
  4. Step 4: Simplify right side
    39,214.95x = 1,153,236,076.84
  5. Step 5: Solve for x
    x = 1,153,236,076.84/39,214.95
  6. Step 6: Final answer
    x = 29,408.07

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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.