Home / 30,178.30-45,272.31-9,396.94

Finding the Fourth Proportional to 30,178.30, 45,272.31 and 9,396.94

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Solution

The fourth proportional to 30,178.30, 45,272.31 and 9,396.94 is: 14,096.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,178.30 : 45,272.31 = 9,396.94 : x
  2. Step 2: Convert to fraction form
    30,178.30/45,272.31 = 9,396.94/x
  3. Step 3: Cross multiply
    30,178.30x = 45,272.31 × 9,396.94
  4. Step 4: Simplify right side
    30,178.30x = 425,421,032.31
  5. Step 5: Solve for x
    x = 425,421,032.31/30,178.30
  6. Step 6: Final answer
    x = 14,096.92

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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.