Home / 49,905.19-74,857.57-20,316.01

Finding the Fourth Proportional to 49,905.19, 74,857.57 and 20,316.01

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Solution

The fourth proportional to 49,905.19, 74,857.57 and 20,316.01 is: 30,473.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,905.19 : 74,857.57 = 20,316.01 : x
  2. Step 2: Convert to fraction form
    49,905.19/74,857.57 = 20,316.01/x
  3. Step 3: Cross multiply
    49,905.19x = 74,857.57 × 20,316.01
  4. Step 4: Simplify right side
    49,905.19x = 1,520,807,140.70
  5. Step 5: Solve for x
    x = 1,520,807,140.70/49,905.19
  6. Step 6: Final answer
    x = 30,473.93

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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.