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Finding the Fourth Proportional to 40,682.40, 60,904.80 and 29,018.40

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Solution

The fourth proportional to 40,682.40, 60,904.80 and 29,018.40 is: 43,442.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,682.40 : 60,904.80 = 29,018.40 : x
  2. Step 2: Convert to fraction form
    40,682.40/60,904.80 = 29,018.40/x
  3. Step 3: Cross multiply
    40,682.40x = 60,904.80 × 29,018.40
  4. Step 4: Simplify right side
    40,682.40x = 1,767,359,848.32
  5. Step 5: Solve for x
    x = 1,767,359,848.32/40,682.40
  6. Step 6: Final answer
    x = 43,442.86

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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.