Home / 30,809,372.60-42,518,262.56-17,058,336.44

Finding the Fourth Proportional to 30,809,372.60, 42,518,262.56 and 17,058,336.44

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Solution

The fourth proportional to 30,809,372.60, 42,518,262.56 and 17,058,336.44 is: 23,541,239.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,809,372.60 : 42,518,262.56 = 17,058,336.44 : x
  2. Step 2: Convert to fraction form
    30,809,372.60/42,518,262.56 = 17,058,336.44/x
  3. Step 3: Cross multiply
    30,809,372.60x = 42,518,262.56 × 17,058,336.44
  4. Step 4: Simplify right side
    30,809,372.60x = 725,290,827,592,735.75
  5. Step 5: Solve for x
    x = 725,290,827,592,735.75/30,809,372.60
  6. Step 6: Final answer
    x = 23,541,239.77

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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.