Home / 30,374.13-41,916.35-16,945.02

Finding the Fourth Proportional to 30,374.13, 41,916.35 and 16,945.02

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Solution

The fourth proportional to 30,374.13, 41,916.35 and 16,945.02 is: 23,384.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,374.13 : 41,916.35 = 16,945.02 : x
  2. Step 2: Convert to fraction form
    30,374.13/41,916.35 = 16,945.02/x
  3. Step 3: Cross multiply
    30,374.13x = 41,916.35 × 16,945.02
  4. Step 4: Simplify right side
    30,374.13x = 710,273,304.35
  5. Step 5: Solve for x
    x = 710,273,304.35/30,374.13
  6. Step 6: Final answer
    x = 23,384.15

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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.