Home / 31,430.70-47,126.60-14,794.92

Finding the Fourth Proportional to 31,430.70, 47,126.60 and 14,794.92

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Solution

The fourth proportional to 31,430.70, 47,126.60 and 14,794.92 is: 22,183.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,430.70 : 47,126.60 = 14,794.92 : x
  2. Step 2: Convert to fraction form
    31,430.70/47,126.60 = 14,794.92/x
  3. Step 3: Cross multiply
    31,430.70x = 47,126.60 × 14,794.92
  4. Step 4: Simplify right side
    31,430.70x = 697,234,276.87
  5. Step 5: Solve for x
    x = 697,234,276.87/31,430.70
  6. Step 6: Final answer
    x = 22,183.22

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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.