Home / 30,224.04-45,289.87-12,684.30

Finding the Fourth Proportional to 30,224.04, 45,289.87 and 12,684.30

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Solution

The fourth proportional to 30,224.04, 45,289.87 and 12,684.30 is: 19,007.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,224.04 : 45,289.87 = 12,684.30 : x
  2. Step 2: Convert to fraction form
    30,224.04/45,289.87 = 12,684.30/x
  3. Step 3: Cross multiply
    30,224.04x = 45,289.87 × 12,684.30
  4. Step 4: Simplify right side
    30,224.04x = 574,470,298.04
  5. Step 5: Solve for x
    x = 574,470,298.04/30,224.04
  6. Step 6: Final answer
    x = 19,007.07

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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.