Home / 39,603.69-54,639.63-22,595.72

Finding the Fourth Proportional to 39,603.69, 54,639.63 and 22,595.72

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Solution

The fourth proportional to 39,603.69, 54,639.63 and 22,595.72 is: 31,174.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,603.69 : 54,639.63 = 22,595.72 : x
  2. Step 2: Convert to fraction form
    39,603.69/54,639.63 = 22,595.72/x
  3. Step 3: Cross multiply
    39,603.69x = 54,639.63 × 22,595.72
  4. Step 4: Simplify right side
    39,603.69x = 1,234,621,780.38
  5. Step 5: Solve for x
    x = 1,234,621,780.38/39,603.69
  6. Step 6: Final answer
    x = 31,174.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.