Home / 31,458.64-47,168.16-14,808.64

Finding the Fourth Proportional to 31,458.64, 47,168.16 and 14,808.64

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Solution

The fourth proportional to 31,458.64, 47,168.16 and 14,808.64 is: 22,203.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,458.64 : 47,168.16 = 14,808.64 : x
  2. Step 2: Convert to fraction form
    31,458.64/47,168.16 = 14,808.64/x
  3. Step 3: Cross multiply
    31,458.64x = 47,168.16 × 14,808.64
  4. Step 4: Simplify right side
    31,458.64x = 698,496,300.90
  5. Step 5: Solve for x
    x = 698,496,300.90/31,458.64
  6. Step 6: Final answer
    x = 22,203.64

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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.