Home / 42,012.36-58,005.54-29,415.24

Finding the Fourth Proportional to 42,012.36, 58,005.54 and 29,415.24

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Solution

The fourth proportional to 42,012.36, 58,005.54 and 29,415.24 is: 40,612.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,012.36 : 58,005.54 = 29,415.24 : x
  2. Step 2: Convert to fraction form
    42,012.36/58,005.54 = 29,415.24/x
  3. Step 3: Cross multiply
    42,012.36x = 58,005.54 × 29,415.24
  4. Step 4: Simplify right side
    42,012.36x = 1,706,246,880.43
  5. Step 5: Solve for x
    x = 1,706,246,880.43/42,012.36
  6. Step 6: Final answer
    x = 40,612.97

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1.5x scale

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.