Home / 30,265.02-45,401.76-8,079.12

Finding the Fourth Proportional to 30,265.02, 45,401.76 and 8,079.12

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Solution

The fourth proportional to 30,265.02, 45,401.76 and 8,079.12 is: 12,119.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,265.02 : 45,401.76 = 8,079.12 : x
  2. Step 2: Convert to fraction form
    30,265.02/45,401.76 = 8,079.12/x
  3. Step 3: Cross multiply
    30,265.02x = 45,401.76 × 8,079.12
  4. Step 4: Simplify right side
    30,265.02x = 366,806,267.25
  5. Step 5: Solve for x
    x = 366,806,267.25/30,265.02
  6. Step 6: Final answer
    x = 12,119.81

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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.