Home / 47,828.70-66,018.60-32,715.54

Finding the Fourth Proportional to 47,828.70, 66,018.60 and 32,715.54

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Solution

The fourth proportional to 47,828.70, 66,018.60 and 32,715.54 is: 45,157.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,828.70 : 66,018.60 = 32,715.54 : x
  2. Step 2: Convert to fraction form
    47,828.70/66,018.60 = 32,715.54/x
  3. Step 3: Cross multiply
    47,828.70x = 66,018.60 × 32,715.54
  4. Step 4: Simplify right side
    47,828.70x = 2,159,834,149.04
  5. Step 5: Solve for x
    x = 2,159,834,149.04/47,828.70
  6. Step 6: Final answer
    x = 45,157.70

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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.