Home / 30,374.70-41,916.98-16,945.95

Finding the Fourth Proportional to 30,374.70, 41,916.98 and 16,945.95

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Solution

The fourth proportional to 30,374.70, 41,916.98 and 16,945.95 is: 23,385.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,374.70 : 41,916.98 = 16,945.95 : x
  2. Step 2: Convert to fraction form
    30,374.70/41,916.98 = 16,945.95/x
  3. Step 3: Cross multiply
    30,374.70x = 41,916.98 × 16,945.95
  4. Step 4: Simplify right side
    30,374.70x = 710,322,962.50
  5. Step 5: Solve for x
    x = 710,322,962.50/30,374.70
  6. Step 6: Final answer
    x = 23,385.35

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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.