Home / 31,459.05-47,196.74-11,737.75

Finding the Fourth Proportional to 31,459.05, 47,196.74 and 11,737.75

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Solution

The fourth proportional to 31,459.05, 47,196.74 and 11,737.75 is: 17,609.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,459.05 : 47,196.74 = 11,737.75 : x
  2. Step 2: Convert to fraction form
    31,459.05/47,196.74 = 11,737.75/x
  3. Step 3: Cross multiply
    31,459.05x = 47,196.74 × 11,737.75
  4. Step 4: Simplify right side
    31,459.05x = 553,983,476.25
  5. Step 5: Solve for x
    x = 553,983,476.25/31,459.05
  6. Step 6: Final answer
    x = 17,609.67

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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.