Home / 31,437.91-47,141.70-14,783.86

Finding the Fourth Proportional to 31,437.91, 47,141.70 and 14,783.86

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Solution

The fourth proportional to 31,437.91, 47,141.70 and 14,783.86 is: 22,168.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,437.91 : 47,141.70 = 14,783.86 : x
  2. Step 2: Convert to fraction form
    31,437.91/47,141.70 = 14,783.86/x
  3. Step 3: Cross multiply
    31,437.91x = 47,141.70 × 14,783.86
  4. Step 4: Simplify right side
    31,437.91x = 696,936,292.96
  5. Step 5: Solve for x
    x = 696,936,292.96/31,437.91
  6. Step 6: Final answer
    x = 22,168.66

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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.