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Finding the Fourth Proportional to 56,114.80, 84,131.70 and 22,818.40

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Solution

The fourth proportional to 56,114.80, 84,131.70 and 22,818.40 is: 34,211.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,114.80 : 84,131.70 = 22,818.40 : x
  2. Step 2: Convert to fraction form
    56,114.80/84,131.70 = 22,818.40/x
  3. Step 3: Cross multiply
    56,114.80x = 84,131.70 × 22,818.40
  4. Step 4: Simplify right side
    56,114.80x = 1,919,750,783.28
  5. Step 5: Solve for x
    x = 1,919,750,783.28/56,114.80
  6. Step 6: Final answer
    x = 34,211.13

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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.