Home / 39,368.19-59,021.10-19,636.59

Finding the Fourth Proportional to 39,368.19, 59,021.10 and 19,636.59

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Solution

The fourth proportional to 39,368.19, 59,021.10 and 19,636.59 is: 29,439.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,368.19 : 59,021.10 = 19,636.59 : x
  2. Step 2: Convert to fraction form
    39,368.19/59,021.10 = 19,636.59/x
  3. Step 3: Cross multiply
    39,368.19x = 59,021.10 × 19,636.59
  4. Step 4: Simplify right side
    39,368.19x = 1,158,973,142.05
  5. Step 5: Solve for x
    x = 1,158,973,142.05/39,368.19
  6. Step 6: Final answer
    x = 29,439.33

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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.