Home / 30,374.60-41,916.84-16,945.05

Finding the Fourth Proportional to 30,374.60, 41,916.84 and 16,945.05

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Solution

The fourth proportional to 30,374.60, 41,916.84 and 16,945.05 is: 23,384.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,374.60 : 41,916.84 = 16,945.05 : x
  2. Step 2: Convert to fraction form
    30,374.60/41,916.84 = 16,945.05/x
  3. Step 3: Cross multiply
    30,374.60x = 41,916.84 × 16,945.05
  4. Step 4: Simplify right side
    30,374.60x = 710,282,949.64
  5. Step 5: Solve for x
    x = 710,282,949.64/30,374.60
  6. Step 6: Final answer
    x = 23,384.11

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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.