Home / 45,246.40-67,869.60-40,321.60

Finding the Fourth Proportional to 45,246.40, 67,869.60 and 40,321.60

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Solution

The fourth proportional to 45,246.40, 67,869.60 and 40,321.60 is: 60,482.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,246.40 : 67,869.60 = 40,321.60 : x
  2. Step 2: Convert to fraction form
    45,246.40/67,869.60 = 40,321.60/x
  3. Step 3: Cross multiply
    45,246.40x = 67,869.60 × 40,321.60
  4. Step 4: Simplify right side
    45,246.40x = 2,736,610,863.36
  5. Step 5: Solve for x
    x = 2,736,610,863.36/45,246.40
  6. Step 6: Final answer
    x = 60,482.40

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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.