Home / 29,130.60-43,674.30-19,747.20

Finding the Fourth Proportional to 29,130.60, 43,674.30 and 19,747.20

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Solution

The fourth proportional to 29,130.60, 43,674.30 and 19,747.20 is: 29,606.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,130.60 : 43,674.30 = 19,747.20 : x
  2. Step 2: Convert to fraction form
    29,130.60/43,674.30 = 19,747.20/x
  3. Step 3: Cross multiply
    29,130.60x = 43,674.30 × 19,747.20
  4. Step 4: Simplify right side
    29,130.60x = 862,445,136.96
  5. Step 5: Solve for x
    x = 862,445,136.96/29,130.60
  6. Step 6: Final answer
    x = 29,606.16

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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.