Home / 31,960.30-47,946.50-14,430.06

Finding the Fourth Proportional to 31,960.30, 47,946.50 and 14,430.06

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Solution

The fourth proportional to 31,960.30, 47,946.50 and 14,430.06 is: 21,647.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,960.30 : 47,946.50 = 14,430.06 : x
  2. Step 2: Convert to fraction form
    31,960.30/47,946.50 = 14,430.06/x
  3. Step 3: Cross multiply
    31,960.30x = 47,946.50 × 14,430.06
  4. Step 4: Simplify right side
    31,960.30x = 691,870,871.79
  5. Step 5: Solve for x
    x = 691,870,871.79/31,960.30
  6. Step 6: Final answer
    x = 21,647.82

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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.