Home / 42,818.49-64,211.94-14,730.73

Finding the Fourth Proportional to 42,818.49, 64,211.94 and 14,730.73

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Solution

The fourth proportional to 42,818.49, 64,211.94 and 14,730.73 is: 22,090.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,818.49 : 64,211.94 = 14,730.73 : x
  2. Step 2: Convert to fraction form
    42,818.49/64,211.94 = 14,730.73/x
  3. Step 3: Cross multiply
    42,818.49x = 64,211.94 × 14,730.73
  4. Step 4: Simplify right side
    42,818.49x = 945,888,590.39
  5. Step 5: Solve for x
    x = 945,888,590.39/42,818.49
  6. Step 6: Final answer
    x = 22,090.66

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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.