Home / 48,415.32-66,805.28-30,263.90

Finding the Fourth Proportional to 48,415.32, 66,805.28 and 30,263.90

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Solution

The fourth proportional to 48,415.32, 66,805.28 and 30,263.90 is: 41,759.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,415.32 : 66,805.28 = 30,263.90 : x
  2. Step 2: Convert to fraction form
    48,415.32/66,805.28 = 30,263.90/x
  3. Step 3: Cross multiply
    48,415.32x = 66,805.28 × 30,263.90
  4. Step 4: Simplify right side
    48,415.32x = 2,021,788,313.39
  5. Step 5: Solve for x
    x = 2,021,788,313.39/48,415.32
  6. Step 6: Final answer
    x = 41,759.27

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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.