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Finding the Fourth Proportional to 46,951.79, 70,427.81 and 13,672.67

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Solution

The fourth proportional to 46,951.79, 70,427.81 and 13,672.67 is: 20,509.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,951.79 : 70,427.81 = 13,672.67 : x
  2. Step 2: Convert to fraction form
    46,951.79/70,427.81 = 13,672.67/x
  3. Step 3: Cross multiply
    46,951.79x = 70,427.81 × 13,672.67
  4. Step 4: Simplify right side
    46,951.79x = 962,936,283.15
  5. Step 5: Solve for x
    x = 962,936,283.15/46,951.79
  6. Step 6: Final answer
    x = 20,509.04

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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.