Home / 49,210.40-73,815.60-45,905.60

Finding the Fourth Proportional to 49,210.40, 73,815.60 and 45,905.60

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Solution

The fourth proportional to 49,210.40, 73,815.60 and 45,905.60 is: 68,858.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,210.40 : 73,815.60 = 45,905.60 : x
  2. Step 2: Convert to fraction form
    49,210.40/73,815.60 = 45,905.60/x
  3. Step 3: Cross multiply
    49,210.40x = 73,815.60 × 45,905.60
  4. Step 4: Simplify right side
    49,210.40x = 3,388,549,407.36
  5. Step 5: Solve for x
    x = 3,388,549,407.36/49,210.40
  6. Step 6: Final answer
    x = 68,858.40

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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.