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Finding the Fourth Proportional to 29,160.60, 43,740.90 and 19,246.20

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Solution

The fourth proportional to 29,160.60, 43,740.90 and 19,246.20 is: 28,869.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,160.60 : 43,740.90 = 19,246.20 : x
  2. Step 2: Convert to fraction form
    29,160.60/43,740.90 = 19,246.20/x
  3. Step 3: Cross multiply
    29,160.60x = 43,740.90 × 19,246.20
  4. Step 4: Simplify right side
    29,160.60x = 841,846,109.58
  5. Step 5: Solve for x
    x = 841,846,109.58/29,160.60
  6. Step 6: Final answer
    x = 28,869.30

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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.