Home / 30,534.20-45,807.84-9,473.79

Finding the Fourth Proportional to 30,534.20, 45,807.84 and 9,473.79

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Solution

The fourth proportional to 30,534.20, 45,807.84 and 9,473.79 is: 14,212.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,534.20 : 45,807.84 = 9,473.79 : x
  2. Step 2: Convert to fraction form
    30,534.20/45,807.84 = 9,473.79/x
  3. Step 3: Cross multiply
    30,534.20x = 45,807.84 × 9,473.79
  4. Step 4: Simplify right side
    30,534.20x = 433,973,856.51
  5. Step 5: Solve for x
    x = 433,973,856.51/30,534.20
  6. Step 6: Final answer
    x = 14,212.71

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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.