Home / 30,353.04-45,531.72-9,576

Finding the Fourth Proportional to 30,353.04, 45,531.72 and 9,576

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Solution

The fourth proportional to 30,353.04, 45,531.72 and 9,576 is: 14,364.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,353.04 : 45,531.72 = 9,576 : x
  2. Step 2: Convert to fraction form
    30,353.04/45,531.72 = 9,576/x
  3. Step 3: Cross multiply
    30,353.04x = 45,531.72 × 9,576
  4. Step 4: Simplify right side
    30,353.04x = 436,011,750.72
  5. Step 5: Solve for x
    x = 436,011,750.72/30,353.04
  6. Step 6: Final answer
    x = 14,364.68

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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.