Home / 47,916.92-66,102.94-30,916.76

Finding the Fourth Proportional to 47,916.92, 66,102.94 and 30,916.76

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Solution

The fourth proportional to 47,916.92, 66,102.94 and 30,916.76 is: 42,650.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,916.92 : 66,102.94 = 30,916.76 : x
  2. Step 2: Convert to fraction form
    47,916.92/66,102.94 = 30,916.76/x
  3. Step 3: Cross multiply
    47,916.92x = 66,102.94 × 30,916.76
  4. Step 4: Simplify right side
    47,916.92x = 2,043,688,731.27
  5. Step 5: Solve for x
    x = 2,043,688,731.27/47,916.92
  6. Step 6: Final answer
    x = 42,650.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.