Home / 45,818.20-68,717.70-22,461.40

Finding the Fourth Proportional to 45,818.20, 68,717.70 and 22,461.40

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Solution

The fourth proportional to 45,818.20, 68,717.70 and 22,461.40 is: 33,687.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,818.20 : 68,717.70 = 22,461.40 : x
  2. Step 2: Convert to fraction form
    45,818.20/68,717.70 = 22,461.40/x
  3. Step 3: Cross multiply
    45,818.20x = 68,717.70 × 22,461.40
  4. Step 4: Simplify right side
    45,818.20x = 1,543,495,746.78
  5. Step 5: Solve for x
    x = 1,543,495,746.78/45,818.20
  6. Step 6: Final answer
    x = 33,687.39

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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.