Home / 49,631.80-74,447.70-18,460.60

Finding the Fourth Proportional to 49,631.80, 74,447.70 and 18,460.60

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Solution

The fourth proportional to 49,631.80, 74,447.70 and 18,460.60 is: 27,690.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,631.80 : 74,447.70 = 18,460.60 : x
  2. Step 2: Convert to fraction form
    49,631.80/74,447.70 = 18,460.60/x
  3. Step 3: Cross multiply
    49,631.80x = 74,447.70 × 18,460.60
  4. Step 4: Simplify right side
    49,631.80x = 1,374,349,210.62
  5. Step 5: Solve for x
    x = 1,374,349,210.62/49,631.80
  6. Step 6: Final answer
    x = 27,690.90

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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.