Home / 40,890.40-61,287.48-23,372.32

Finding the Fourth Proportional to 40,890.40, 61,287.48 and 23,372.32

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Solution

The fourth proportional to 40,890.40, 61,287.48 and 23,372.32 is: 35,030.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,890.40 : 61,287.48 = 23,372.32 : x
  2. Step 2: Convert to fraction form
    40,890.40/61,287.48 = 23,372.32/x
  3. Step 3: Cross multiply
    40,890.40x = 61,287.48 × 23,372.32
  4. Step 4: Simplify right side
    40,890.40x = 1,432,430,594.55
  5. Step 5: Solve for x
    x = 1,432,430,594.55/40,890.40
  6. Step 6: Final answer
    x = 35,030.98

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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.