Home / 47,354.76-65,355.66-39,383.28

Finding the Fourth Proportional to 47,354.76, 65,355.66 and 39,383.28

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Solution

The fourth proportional to 47,354.76, 65,355.66 and 39,383.28 is: 54,353.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,354.76 : 65,355.66 = 39,383.28 : x
  2. Step 2: Convert to fraction form
    47,354.76/65,355.66 = 39,383.28/x
  3. Step 3: Cross multiply
    47,354.76x = 65,355.66 × 39,383.28
  4. Step 4: Simplify right side
    47,354.76x = 2,573,920,257.36
  5. Step 5: Solve for x
    x = 2,573,920,257.36/47,354.76
  6. Step 6: Final answer
    x = 54,353.99

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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.