Home / 30,599.24-45,897.18-8,412.20

Finding the Fourth Proportional to 30,599.24, 45,897.18 and 8,412.20

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Solution

The fourth proportional to 30,599.24, 45,897.18 and 8,412.20 is: 12,617.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,599.24 : 45,897.18 = 8,412.20 : x
  2. Step 2: Convert to fraction form
    30,599.24/45,897.18 = 8,412.20/x
  3. Step 3: Cross multiply
    30,599.24x = 45,897.18 × 8,412.20
  4. Step 4: Simplify right side
    30,599.24x = 386,096,257.60
  5. Step 5: Solve for x
    x = 386,096,257.60/30,599.24
  6. Step 6: Final answer
    x = 12,617.84

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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.