Home / 43,192.17-64,771.14-20,998.98

Finding the Fourth Proportional to 43,192.17, 64,771.14 and 20,998.98

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Solution

The fourth proportional to 43,192.17, 64,771.14 and 20,998.98 is: 31,490.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,192.17 : 64,771.14 = 20,998.98 : x
  2. Step 2: Convert to fraction form
    43,192.17/64,771.14 = 20,998.98/x
  3. Step 3: Cross multiply
    43,192.17x = 64,771.14 × 20,998.98
  4. Step 4: Simplify right side
    43,192.17x = 1,360,127,873.44
  5. Step 5: Solve for x
    x = 1,360,127,873.44/43,192.17
  6. Step 6: Final answer
    x = 31,490.15

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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.