Home / 31,349.87-47,026.35-12,627.38

Finding the Fourth Proportional to 31,349.87, 47,026.35 and 12,627.38

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Solution

The fourth proportional to 31,349.87, 47,026.35 and 12,627.38 is: 18,941.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,349.87 : 47,026.35 = 12,627.38 : x
  2. Step 2: Convert to fraction form
    31,349.87/47,026.35 = 12,627.38/x
  3. Step 3: Cross multiply
    31,349.87x = 47,026.35 × 12,627.38
  4. Step 4: Simplify right side
    31,349.87x = 593,819,580.03
  5. Step 5: Solve for x
    x = 593,819,580.03/31,349.87
  6. Step 6: Final answer
    x = 18,941.69

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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.