Home / 54,688.60-82,119.30-40,000.60

Finding the Fourth Proportional to 54,688.60, 82,119.30 and 40,000.60

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Solution

The fourth proportional to 54,688.60, 82,119.30 and 40,000.60 is: 60,064.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,688.60 : 82,119.30 = 40,000.60 : x
  2. Step 2: Convert to fraction form
    54,688.60/82,119.30 = 40,000.60/x
  3. Step 3: Cross multiply
    54,688.60x = 82,119.30 × 40,000.60
  4. Step 4: Simplify right side
    54,688.60x = 3,284,821,271.58
  5. Step 5: Solve for x
    x = 3,284,821,271.58/54,688.60
  6. Step 6: Final answer
    x = 60,064.10

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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.