Home / 30,353.88-45,530.82-9,579

Finding the Fourth Proportional to 30,353.88, 45,530.82 and 9,579

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Solution

The fourth proportional to 30,353.88, 45,530.82 and 9,579 is: 14,368.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,353.88 : 45,530.82 = 9,579 : x
  2. Step 2: Convert to fraction form
    30,353.88/45,530.82 = 9,579/x
  3. Step 3: Cross multiply
    30,353.88x = 45,530.82 × 9,579
  4. Step 4: Simplify right side
    30,353.88x = 436,139,724.78
  5. Step 5: Solve for x
    x = 436,139,724.78/30,353.88
  6. Step 6: Final answer
    x = 14,368.50

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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.