Home / 30,289.10-45,440.84-9,512.60

Finding the Fourth Proportional to 30,289.10, 45,440.84 and 9,512.60

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Solution

The fourth proportional to 30,289.10, 45,440.84 and 9,512.60 is: 14,271.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,289.10 : 45,440.84 = 9,512.60 : x
  2. Step 2: Convert to fraction form
    30,289.10/45,440.84 = 9,512.60/x
  3. Step 3: Cross multiply
    30,289.10x = 45,440.84 × 9,512.60
  4. Step 4: Simplify right side
    30,289.10x = 432,260,373.42
  5. Step 5: Solve for x
    x = 432,260,373.42/30,289.10
  6. Step 6: Final answer
    x = 14,271.15

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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.