Home / 31,470.96-47,206.75-8,981.62

Finding the Fourth Proportional to 31,470.96, 47,206.75 and 8,981.62

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Solution

The fourth proportional to 31,470.96, 47,206.75 and 8,981.62 is: 13,472.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,470.96 : 47,206.75 = 8,981.62 : x
  2. Step 2: Convert to fraction form
    31,470.96/47,206.75 = 8,981.62/x
  3. Step 3: Cross multiply
    31,470.96x = 47,206.75 × 8,981.62
  4. Step 4: Simplify right side
    31,470.96x = 423,993,089.94
  5. Step 5: Solve for x
    x = 423,993,089.94/31,470.96
  6. Step 6: Final answer
    x = 13,472.52

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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.