Home / 42,828-59,102.64-23,968.77

Finding the Fourth Proportional to 42,828, 59,102.64 and 23,968.77

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Solution

The fourth proportional to 42,828, 59,102.64 and 23,968.77 is: 33,076.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,828 : 59,102.64 = 23,968.77 : x
  2. Step 2: Convert to fraction form
    42,828/59,102.64 = 23,968.77/x
  3. Step 3: Cross multiply
    42,828x = 59,102.64 × 23,968.77
  4. Step 4: Simplify right side
    42,828x = 1,416,617,584.55
  5. Step 5: Solve for x
    x = 1,416,617,584.55/42,828
  6. Step 6: Final answer
    x = 33,076.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.