Home / 30,232.10-45,355.35-12,692.90

Finding the Fourth Proportional to 30,232.10, 45,355.35 and 12,692.90

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Solution

The fourth proportional to 30,232.10, 45,355.35 and 12,692.90 is: 19,042.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,232.10 : 45,355.35 = 12,692.90 : x
  2. Step 2: Convert to fraction form
    30,232.10/45,355.35 = 12,692.90/x
  3. Step 3: Cross multiply
    30,232.10x = 45,355.35 × 12,692.90
  4. Step 4: Simplify right side
    30,232.10x = 575,690,922.02
  5. Step 5: Solve for x
    x = 575,690,922.02/30,232.10
  6. Step 6: Final answer
    x = 19,042.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.