Home / 30,374.57-41,916.93-16,945.83

Finding the Fourth Proportional to 30,374.57, 41,916.93 and 16,945.83

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Solution

The fourth proportional to 30,374.57, 41,916.93 and 16,945.83 is: 23,385.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,374.57 : 41,916.93 = 16,945.83 : x
  2. Step 2: Convert to fraction form
    30,374.57/41,916.93 = 16,945.83/x
  3. Step 3: Cross multiply
    30,374.57x = 41,916.93 × 16,945.83
  4. Step 4: Simplify right side
    30,374.57x = 710,317,169.90
  5. Step 5: Solve for x
    x = 710,317,169.90/30,374.57
  6. Step 6: Final answer
    x = 23,385.26

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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.