Home / 45,280.24-67,946.80-18,982.96

Finding the Fourth Proportional to 45,280.24, 67,946.80 and 18,982.96

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Solution

The fourth proportional to 45,280.24, 67,946.80 and 18,982.96 is: 28,485.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,280.24 : 67,946.80 = 18,982.96 : x
  2. Step 2: Convert to fraction form
    45,280.24/67,946.80 = 18,982.96/x
  3. Step 3: Cross multiply
    45,280.24x = 67,946.80 × 18,982.96
  4. Step 4: Simplify right side
    45,280.24x = 1,289,831,386.53
  5. Step 5: Solve for x
    x = 1,289,831,386.53/45,280.24
  6. Step 6: Final answer
    x = 28,485.52

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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.