Home / 29,278.20-43,946.10-14,503.80

Finding the Fourth Proportional to 29,278.20, 43,946.10 and 14,503.80

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Solution

The fourth proportional to 29,278.20, 43,946.10 and 14,503.80 is: 21,769.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,278.20 : 43,946.10 = 14,503.80 : x
  2. Step 2: Convert to fraction form
    29,278.20/43,946.10 = 14,503.80/x
  3. Step 3: Cross multiply
    29,278.20x = 43,946.10 × 14,503.80
  4. Step 4: Simplify right side
    29,278.20x = 637,385,445.18
  5. Step 5: Solve for x
    x = 637,385,445.18/29,278.20
  6. Step 6: Final answer
    x = 21,769.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.