Home / 53,665.20-74,058.30-29,467.21

Finding the Fourth Proportional to 53,665.20, 74,058.30 and 29,467.21

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Solution

The fourth proportional to 53,665.20, 74,058.30 and 29,467.21 is: 40,664.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,665.20 : 74,058.30 = 29,467.21 : x
  2. Step 2: Convert to fraction form
    53,665.20/74,058.30 = 29,467.21/x
  3. Step 3: Cross multiply
    53,665.20x = 74,058.30 × 29,467.21
  4. Step 4: Simplify right side
    53,665.20x = 2,182,291,108.05
  5. Step 5: Solve for x
    x = 2,182,291,108.05/53,665.20
  6. Step 6: Final answer
    x = 40,664.92

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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.