Home / 31,941.38-47,875.75-19,433.85

Finding the Fourth Proportional to 31,941.38, 47,875.75 and 19,433.85

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Solution

The fourth proportional to 31,941.38, 47,875.75 and 19,433.85 is: 29,128.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,941.38 : 47,875.75 = 19,433.85 : x
  2. Step 2: Convert to fraction form
    31,941.38/47,875.75 = 19,433.85/x
  3. Step 3: Cross multiply
    31,941.38x = 47,875.75 × 19,433.85
  4. Step 4: Simplify right side
    31,941.38x = 930,409,904.76
  5. Step 5: Solve for x
    x = 930,409,904.76/31,941.38
  6. Step 6: Final answer
    x = 29,128.67

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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.