Home / 30,200.02-45,285.81-11,211.50

Finding the Fourth Proportional to 30,200.02, 45,285.81 and 11,211.50

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Solution

The fourth proportional to 30,200.02, 45,285.81 and 11,211.50 is: 16,811.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,200.02 : 45,285.81 = 11,211.50 : x
  2. Step 2: Convert to fraction form
    30,200.02/45,285.81 = 11,211.50/x
  3. Step 3: Cross multiply
    30,200.02x = 45,285.81 × 11,211.50
  4. Step 4: Simplify right side
    30,200.02x = 507,721,576.33
  5. Step 5: Solve for x
    x = 507,721,576.33/30,200.02
  6. Step 6: Final answer
    x = 16,811.96

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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.