Home / 30,343.70-45,515.55-9,569.30

Finding the Fourth Proportional to 30,343.70, 45,515.55 and 9,569.30

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Solution

The fourth proportional to 30,343.70, 45,515.55 and 9,569.30 is: 14,353.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,343.70 : 45,515.55 = 9,569.30 : x
  2. Step 2: Convert to fraction form
    30,343.70/45,515.55 = 9,569.30/x
  3. Step 3: Cross multiply
    30,343.70x = 45,515.55 × 9,569.30
  4. Step 4: Simplify right side
    30,343.70x = 435,551,952.62
  5. Step 5: Solve for x
    x = 435,551,952.62/30,343.70
  6. Step 6: Final answer
    x = 14,353.95

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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.