Home / 45,205.48-62,408.38-30,886.84

Finding the Fourth Proportional to 45,205.48, 62,408.38 and 30,886.84

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Solution

The fourth proportional to 45,205.48, 62,408.38 and 30,886.84 is: 42,640.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,205.48 : 62,408.38 = 30,886.84 : x
  2. Step 2: Convert to fraction form
    45,205.48/62,408.38 = 30,886.84/x
  3. Step 3: Cross multiply
    45,205.48x = 62,408.38 × 30,886.84
  4. Step 4: Simplify right side
    45,205.48x = 1,927,597,647.72
  5. Step 5: Solve for x
    x = 1,927,597,647.72/45,205.48
  6. Step 6: Final answer
    x = 42,640.80

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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.