Home / 31,058.80-46,587.96-8,872.16

Finding the Fourth Proportional to 31,058.80, 46,587.96 and 8,872.16

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Solution

The fourth proportional to 31,058.80, 46,587.96 and 8,872.16 is: 13,308.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,058.80 : 46,587.96 = 8,872.16 : x
  2. Step 2: Convert to fraction form
    31,058.80/46,587.96 = 8,872.16/x
  3. Step 3: Cross multiply
    31,058.80x = 46,587.96 × 8,872.16
  4. Step 4: Simplify right side
    31,058.80x = 413,335,835.19
  5. Step 5: Solve for x
    x = 413,335,835.19/31,058.80
  6. Step 6: Final answer
    x = 13,308.17

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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.