Home / 43,004.40-64,509.65-11,414.21

Finding the Fourth Proportional to 43,004.40, 64,509.65 and 11,414.21

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Solution

The fourth proportional to 43,004.40, 64,509.65 and 11,414.21 is: 17,122.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,004.40 : 64,509.65 = 11,414.21 : x
  2. Step 2: Convert to fraction form
    43,004.40/64,509.65 = 11,414.21/x
  3. Step 3: Cross multiply
    43,004.40x = 64,509.65 × 11,414.21
  4. Step 4: Simplify right side
    43,004.40x = 736,326,312.51
  5. Step 5: Solve for x
    x = 736,326,312.51/43,004.40
  6. Step 6: Final answer
    x = 17,122.12

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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.