Home / 30,424.02-45,636.30-8,237.60

Finding the Fourth Proportional to 30,424.02, 45,636.30 and 8,237.60

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Solution

The fourth proportional to 30,424.02, 45,636.30 and 8,237.60 is: 12,356.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,424.02 : 45,636.30 = 8,237.60 : x
  2. Step 2: Convert to fraction form
    30,424.02/45,636.30 = 8,237.60/x
  3. Step 3: Cross multiply
    30,424.02x = 45,636.30 × 8,237.60
  4. Step 4: Simplify right side
    30,424.02x = 375,933,584.88
  5. Step 5: Solve for x
    x = 375,933,584.88/30,424.02
  6. Step 6: Final answer
    x = 12,356.47

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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.