Home / 42,579.36-63,868.91-23,615.60

Finding the Fourth Proportional to 42,579.36, 63,868.91 and 23,615.60

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Solution

The fourth proportional to 42,579.36, 63,868.91 and 23,615.60 is: 35,423.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,579.36 : 63,868.91 = 23,615.60 : x
  2. Step 2: Convert to fraction form
    42,579.36/63,868.91 = 23,615.60/x
  3. Step 3: Cross multiply
    42,579.36x = 63,868.91 × 23,615.60
  4. Step 4: Simplify right side
    42,579.36x = 1,508,302,193.57
  5. Step 5: Solve for x
    x = 1,508,302,193.57/42,579.36
  6. Step 6: Final answer
    x = 35,423.32

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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.