Home / 29,141.08-43,711.70-9,421.40

Finding the Fourth Proportional to 29,141.08, 43,711.70 and 9,421.40

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Solution

The fourth proportional to 29,141.08, 43,711.70 and 9,421.40 is: 14,132.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,141.08 : 43,711.70 = 9,421.40 : x
  2. Step 2: Convert to fraction form
    29,141.08/43,711.70 = 9,421.40/x
  3. Step 3: Cross multiply
    29,141.08x = 43,711.70 × 9,421.40
  4. Step 4: Simplify right side
    29,141.08x = 411,825,410.38
  5. Step 5: Solve for x
    x = 411,825,410.38/29,141.08
  6. Step 6: Final answer
    x = 14,132.13

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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.