Home / 39,745.89-54,848.34-21,595.82

Finding the Fourth Proportional to 39,745.89, 54,848.34 and 21,595.82

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Solution

The fourth proportional to 39,745.89, 54,848.34 and 21,595.82 is: 29,801.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,745.89 : 54,848.34 = 21,595.82 : x
  2. Step 2: Convert to fraction form
    39,745.89/54,848.34 = 21,595.82/x
  3. Step 3: Cross multiply
    39,745.89x = 54,848.34 × 21,595.82
  4. Step 4: Simplify right side
    39,745.89x = 1,184,494,603.70
  5. Step 5: Solve for x
    x = 1,184,494,603.70/39,745.89
  6. Step 6: Final answer
    x = 29,801.69

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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.