Home / 42,800.01-64,165.23-17,858.66

Finding the Fourth Proportional to 42,800.01, 64,165.23 and 17,858.66

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Solution

The fourth proportional to 42,800.01, 64,165.23 and 17,858.66 is: 26,773.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,800.01 : 64,165.23 = 17,858.66 : x
  2. Step 2: Convert to fraction form
    42,800.01/64,165.23 = 17,858.66/x
  3. Step 3: Cross multiply
    42,800.01x = 64,165.23 × 17,858.66
  4. Step 4: Simplify right side
    42,800.01x = 1,145,904,705.57
  5. Step 5: Solve for x
    x = 1,145,904,705.57/42,800.01
  6. Step 6: Final answer
    x = 26,773.47

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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.