Home / 30,110.10-45,167.48-9,048.50

Finding the Fourth Proportional to 30,110.10, 45,167.48 and 9,048.50

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Solution

The fourth proportional to 30,110.10, 45,167.48 and 9,048.50 is: 13,573.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,110.10 : 45,167.48 = 9,048.50 : x
  2. Step 2: Convert to fraction form
    30,110.10/45,167.48 = 9,048.50/x
  3. Step 3: Cross multiply
    30,110.10x = 45,167.48 × 9,048.50
  4. Step 4: Simplify right side
    30,110.10x = 408,697,942.78
  5. Step 5: Solve for x
    x = 408,697,942.78/30,110.10
  6. Step 6: Final answer
    x = 13,573.45

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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.