Home / 50,071.60-75,128.34-21,977.16

Finding the Fourth Proportional to 50,071.60, 75,128.34 and 21,977.16

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Solution

The fourth proportional to 50,071.60, 75,128.34 and 21,977.16 is: 32,974.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,071.60 : 75,128.34 = 21,977.16 : x
  2. Step 2: Convert to fraction form
    50,071.60/75,128.34 = 21,977.16/x
  3. Step 3: Cross multiply
    50,071.60x = 75,128.34 × 21,977.16
  4. Step 4: Simplify right side
    50,071.60x = 1,651,107,548.71
  5. Step 5: Solve for x
    x = 1,651,107,548.71/50,071.60
  6. Step 6: Final answer
    x = 32,974.93

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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.