Home / 31,904.46-47,827.12-14,125.64

Finding the Fourth Proportional to 31,904.46, 47,827.12 and 14,125.64

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Solution

The fourth proportional to 31,904.46, 47,827.12 and 14,125.64 is: 21,175.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,904.46 : 47,827.12 = 14,125.64 : x
  2. Step 2: Convert to fraction form
    31,904.46/47,827.12 = 14,125.64/x
  3. Step 3: Cross multiply
    31,904.46x = 47,827.12 × 14,125.64
  4. Step 4: Simplify right side
    31,904.46x = 675,588,737.12
  5. Step 5: Solve for x
    x = 675,588,737.12/31,904.46
  6. Step 6: Final answer
    x = 21,175.37

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1.5x scale

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.