Home / 48,190.40-66,513.16-29,333.60

Finding the Fourth Proportional to 48,190.40, 66,513.16 and 29,333.60

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Solution

The fourth proportional to 48,190.40, 66,513.16 and 29,333.60 is: 40,486.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,190.40 : 66,513.16 = 29,333.60 : x
  2. Step 2: Convert to fraction form
    48,190.40/66,513.16 = 29,333.60/x
  3. Step 3: Cross multiply
    48,190.40x = 66,513.16 × 29,333.60
  4. Step 4: Simplify right side
    48,190.40x = 1,951,070,430.18
  5. Step 5: Solve for x
    x = 1,951,070,430.18/48,190.40
  6. Step 6: Final answer
    x = 40,486.70

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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.