Home / 30,705.48-42,408.36-23,716.80

Finding the Fourth Proportional to 30,705.48, 42,408.36 and 23,716.80

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Solution

The fourth proportional to 30,705.48, 42,408.36 and 23,716.80 is: 32,756.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,705.48 : 42,408.36 = 23,716.80 : x
  2. Step 2: Convert to fraction form
    30,705.48/42,408.36 = 23,716.80/x
  3. Step 3: Cross multiply
    30,705.48x = 42,408.36 × 23,716.80
  4. Step 4: Simplify right side
    30,705.48x = 1,005,790,592.45
  5. Step 5: Solve for x
    x = 1,005,790,592.45/30,705.48
  6. Step 6: Final answer
    x = 32,756.06

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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.