Home / 39,369.69-59,023.35-19,638.09

Finding the Fourth Proportional to 39,369.69, 59,023.35 and 19,638.09

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Solution

The fourth proportional to 39,369.69, 59,023.35 and 19,638.09 is: 29,441.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,369.69 : 59,023.35 = 19,638.09 : x
  2. Step 2: Convert to fraction form
    39,369.69/59,023.35 = 19,638.09/x
  3. Step 3: Cross multiply
    39,369.69x = 59,023.35 × 19,638.09
  4. Step 4: Simplify right side
    39,369.69x = 1,159,105,859.40
  5. Step 5: Solve for x
    x = 1,159,105,859.40/39,369.69
  6. Step 6: Final answer
    x = 29,441.58

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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.