Home / 47,236.16-70,837.74-13,947.39

Finding the Fourth Proportional to 47,236.16, 70,837.74 and 13,947.39

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Solution

The fourth proportional to 47,236.16, 70,837.74 and 13,947.39 is: 20,916.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,236.16 : 70,837.74 = 13,947.39 : x
  2. Step 2: Convert to fraction form
    47,236.16/70,837.74 = 13,947.39/x
  3. Step 3: Cross multiply
    47,236.16x = 70,837.74 × 13,947.39
  4. Step 4: Simplify right side
    47,236.16x = 988,001,586.50
  5. Step 5: Solve for x
    x = 988,001,586.50/47,236.16
  6. Step 6: Final answer
    x = 20,916.21

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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.