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Finding the Fourth Proportional to 30,235.80, 45,353.79 and 9,176.01

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Solution

The fourth proportional to 30,235.80, 45,353.79 and 9,176.01 is: 13,764.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,235.80 : 45,353.79 = 9,176.01 : x
  2. Step 2: Convert to fraction form
    30,235.80/45,353.79 = 9,176.01/x
  3. Step 3: Cross multiply
    30,235.80x = 45,353.79 × 9,176.01
  4. Step 4: Simplify right side
    30,235.80x = 416,166,830.58
  5. Step 5: Solve for x
    x = 416,166,830.58/30,235.80
  6. Step 6: Final answer
    x = 13,764.04

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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.