Home / 31,346.58-47,019.36-12,626.17

Finding the Fourth Proportional to 31,346.58, 47,019.36 and 12,626.17

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Solution

The fourth proportional to 31,346.58, 47,019.36 and 12,626.17 is: 18,939.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,346.58 : 47,019.36 = 12,626.17 : x
  2. Step 2: Convert to fraction form
    31,346.58/47,019.36 = 12,626.17/x
  3. Step 3: Cross multiply
    31,346.58x = 47,019.36 × 12,626.17
  4. Step 4: Simplify right side
    31,346.58x = 593,674,432.65
  5. Step 5: Solve for x
    x = 593,674,432.65/31,346.58
  6. Step 6: Final answer
    x = 18,939.05

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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.