Home / 40,762.20-61,094.70-21,030.60

Finding the Fourth Proportional to 40,762.20, 61,094.70 and 21,030.60

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Solution

The fourth proportional to 40,762.20, 61,094.70 and 21,030.60 is: 31,520.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,762.20 : 61,094.70 = 21,030.60 : x
  2. Step 2: Convert to fraction form
    40,762.20/61,094.70 = 21,030.60/x
  3. Step 3: Cross multiply
    40,762.20x = 61,094.70 × 21,030.60
  4. Step 4: Simplify right side
    40,762.20x = 1,284,858,197.82
  5. Step 5: Solve for x
    x = 1,284,858,197.82/40,762.20
  6. Step 6: Final answer
    x = 31,520.83

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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.