Home / 30,466.18-45,700.22-8,279.47

Finding the Fourth Proportional to 30,466.18, 45,700.22 and 8,279.47

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Solution

The fourth proportional to 30,466.18, 45,700.22 and 8,279.47 is: 12,419.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,466.18 : 45,700.22 = 8,279.47 : x
  2. Step 2: Convert to fraction form
    30,466.18/45,700.22 = 8,279.47/x
  3. Step 3: Cross multiply
    30,466.18x = 45,700.22 × 8,279.47
  4. Step 4: Simplify right side
    30,466.18x = 378,373,600.48
  5. Step 5: Solve for x
    x = 378,373,600.48/30,466.18
  6. Step 6: Final answer
    x = 12,419.46

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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.