Home / 30,289.04-45,440.75-9,512.54

Finding the Fourth Proportional to 30,289.04, 45,440.75 and 9,512.54

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Solution

The fourth proportional to 30,289.04, 45,440.75 and 9,512.54 is: 14,271.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,289.04 : 45,440.75 = 9,512.54 : x
  2. Step 2: Convert to fraction form
    30,289.04/45,440.75 = 9,512.54/x
  3. Step 3: Cross multiply
    30,289.04x = 45,440.75 × 9,512.54
  4. Step 4: Simplify right side
    30,289.04x = 432,256,677.24
  5. Step 5: Solve for x
    x = 432,256,677.24/30,289.04
  6. Step 6: Final answer
    x = 14,271.06

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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.