Home / 30,017.54-45,019.46-11,299.55

Finding the Fourth Proportional to 30,017.54, 45,019.46 and 11,299.55

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Solution

The fourth proportional to 30,017.54, 45,019.46 and 11,299.55 is: 16,946.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,017.54 : 45,019.46 = 11,299.55 : x
  2. Step 2: Convert to fraction form
    30,017.54/45,019.46 = 11,299.55/x
  3. Step 3: Cross multiply
    30,017.54x = 45,019.46 × 11,299.55
  4. Step 4: Simplify right side
    30,017.54x = 508,699,442.39
  5. Step 5: Solve for x
    x = 508,699,442.39/30,017.54
  6. Step 6: Final answer
    x = 16,946.74

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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.