Home / 45,102.77-62,292.99-30,738.01

Finding the Fourth Proportional to 45,102.77, 62,292.99 and 30,738.01

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Solution

The fourth proportional to 45,102.77, 62,292.99 and 30,738.01 is: 42,453.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,102.77 : 62,292.99 = 30,738.01 : x
  2. Step 2: Convert to fraction form
    45,102.77/62,292.99 = 30,738.01/x
  3. Step 3: Cross multiply
    45,102.77x = 62,292.99 × 30,738.01
  4. Step 4: Simplify right side
    45,102.77x = 1,914,762,549.55
  5. Step 5: Solve for x
    x = 1,914,762,549.55/45,102.77
  6. Step 6: Final answer
    x = 42,453.32

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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.