Home / 30,247.10-45,334.20-15,448.40

Finding the Fourth Proportional to 30,247.10, 45,334.20 and 15,448.40

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Solution

The fourth proportional to 30,247.10, 45,334.20 and 15,448.40 is: 23,153.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,247.10 : 45,334.20 = 15,448.40 : x
  2. Step 2: Convert to fraction form
    30,247.10/45,334.20 = 15,448.40/x
  3. Step 3: Cross multiply
    30,247.10x = 45,334.20 × 15,448.40
  4. Step 4: Simplify right side
    30,247.10x = 700,340,855.28
  5. Step 5: Solve for x
    x = 700,340,855.28/30,247.10
  6. Step 6: Final answer
    x = 23,153.98

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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.