Home / 47,342.12-65,355.79-29,442.89

Finding the Fourth Proportional to 47,342.12, 65,355.79 and 29,442.89

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Solution

The fourth proportional to 47,342.12, 65,355.79 and 29,442.89 is: 40,645.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,342.12 : 65,355.79 = 29,442.89 : x
  2. Step 2: Convert to fraction form
    47,342.12/65,355.79 = 29,442.89/x
  3. Step 3: Cross multiply
    47,342.12x = 65,355.79 × 29,442.89
  4. Step 4: Simplify right side
    47,342.12x = 1,924,263,009.05
  5. Step 5: Solve for x
    x = 1,924,263,009.05/47,342.12
  6. Step 6: Final answer
    x = 40,645.90

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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.