Home / 42,705.63-58,837.86-29,772.90

Finding the Fourth Proportional to 42,705.63, 58,837.86 and 29,772.90

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Solution

The fourth proportional to 42,705.63, 58,837.86 and 29,772.90 is: 41,019.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,705.63 : 58,837.86 = 29,772.90 : x
  2. Step 2: Convert to fraction form
    42,705.63/58,837.86 = 29,772.90/x
  3. Step 3: Cross multiply
    42,705.63x = 58,837.86 × 29,772.90
  4. Step 4: Simplify right side
    42,705.63x = 1,751,773,721.99
  5. Step 5: Solve for x
    x = 1,751,773,721.99/42,705.63
  6. Step 6: Final answer
    x = 41,019.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.