Home / 43,284.72-64,938.54-13,703.04

Finding the Fourth Proportional to 43,284.72, 64,938.54 and 13,703.04

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Solution

The fourth proportional to 43,284.72, 64,938.54 and 13,703.04 is: 20,558.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,284.72 : 64,938.54 = 13,703.04 : x
  2. Step 2: Convert to fraction form
    43,284.72/64,938.54 = 13,703.04/x
  3. Step 3: Cross multiply
    43,284.72x = 64,938.54 × 13,703.04
  4. Step 4: Simplify right side
    43,284.72x = 889,855,411.16
  5. Step 5: Solve for x
    x = 889,855,411.16/43,284.72
  6. Step 6: Final answer
    x = 20,558.19

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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.