Home / 30,289.22-45,441.02-9,512.72

Finding the Fourth Proportional to 30,289.22, 45,441.02 and 9,512.72

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Solution

The fourth proportional to 30,289.22, 45,441.02 and 9,512.72 is: 14,271.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,289.22 : 45,441.02 = 9,512.72 : x
  2. Step 2: Convert to fraction form
    30,289.22/45,441.02 = 9,512.72/x
  3. Step 3: Cross multiply
    30,289.22x = 45,441.02 × 9,512.72
  4. Step 4: Simplify right side
    30,289.22x = 432,267,837.16
  5. Step 5: Solve for x
    x = 432,267,837.16/30,289.22
  6. Step 6: Final answer
    x = 14,271.34

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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.