Home / 42,796.80-64,149.84-16,490.16

Finding the Fourth Proportional to 42,796.80, 64,149.84 and 16,490.16

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Solution

The fourth proportional to 42,796.80, 64,149.84 and 16,490.16 is: 24,717.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,796.80 : 64,149.84 = 16,490.16 : x
  2. Step 2: Convert to fraction form
    42,796.80/64,149.84 = 16,490.16/x
  3. Step 3: Cross multiply
    42,796.80x = 64,149.84 × 16,490.16
  4. Step 4: Simplify right side
    42,796.80x = 1,057,841,125.57
  5. Step 5: Solve for x
    x = 1,057,841,125.57/42,796.80
  6. Step 6: Final answer
    x = 24,717.76

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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.