Home / 39,603.19-54,638.94-22,595.21

Finding the Fourth Proportional to 39,603.19, 54,638.94 and 22,595.21

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Solution

The fourth proportional to 39,603.19, 54,638.94 and 22,595.21 is: 31,173.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,603.19 : 54,638.94 = 22,595.21 : x
  2. Step 2: Convert to fraction form
    39,603.19/54,638.94 = 22,595.21/x
  3. Step 3: Cross multiply
    39,603.19x = 54,638.94 × 22,595.21
  4. Step 4: Simplify right side
    39,603.19x = 1,234,578,544.81
  5. Step 5: Solve for x
    x = 1,234,578,544.81/39,603.19
  6. Step 6: Final answer
    x = 31,173.72

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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.