Home / 30,355.80-45,463.70-29,305.08

Finding the Fourth Proportional to 30,355.80, 45,463.70 and 29,305.08

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Solution

The fourth proportional to 30,355.80, 45,463.70 and 29,305.08 is: 43,890.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,355.80 : 45,463.70 = 29,305.08 : x
  2. Step 2: Convert to fraction form
    30,355.80/45,463.70 = 29,305.08/x
  3. Step 3: Cross multiply
    30,355.80x = 45,463.70 × 29,305.08
  4. Step 4: Simplify right side
    30,355.80x = 1,332,317,365.60
  5. Step 5: Solve for x
    x = 1,332,317,365.60/30,355.80
  6. Step 6: Final answer
    x = 43,890.04

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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.