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Finding the Fourth Proportional to 32,969.51, 49,439.48 and 19,648.79

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Solution

The fourth proportional to 32,969.51, 49,439.48 and 19,648.79 is: 29,464.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,969.51 : 49,439.48 = 19,648.79 : x
  2. Step 2: Convert to fraction form
    32,969.51/49,439.48 = 19,648.79/x
  3. Step 3: Cross multiply
    32,969.51x = 49,439.48 × 19,648.79
  4. Step 4: Simplify right side
    32,969.51x = 971,425,960.23
  5. Step 5: Solve for x
    x = 971,425,960.23/32,969.51
  6. Step 6: Final answer
    x = 29,464.37

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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.