Home / 49,128.90-73,693.70-21,025.27

Finding the Fourth Proportional to 49,128.90, 73,693.70 and 21,025.27

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Solution

The fourth proportional to 49,128.90, 73,693.70 and 21,025.27 is: 31,538.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,128.90 : 73,693.70 = 21,025.27 : x
  2. Step 2: Convert to fraction form
    49,128.90/73,693.70 = 21,025.27/x
  3. Step 3: Cross multiply
    49,128.90x = 73,693.70 × 21,025.27
  4. Step 4: Simplify right side
    49,128.90x = 1,549,430,005.63
  5. Step 5: Solve for x
    x = 1,549,430,005.63/49,128.90
  6. Step 6: Final answer
    x = 31,538.05

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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.