Home / 45,153.78-62,313.22-25,772.30

Finding the Fourth Proportional to 45,153.78, 62,313.22 and 25,772.30

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Solution

The fourth proportional to 45,153.78, 62,313.22 and 25,772.30 is: 35,566.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,153.78 : 62,313.22 = 25,772.30 : x
  2. Step 2: Convert to fraction form
    45,153.78/62,313.22 = 25,772.30/x
  3. Step 3: Cross multiply
    45,153.78x = 62,313.22 × 25,772.30
  4. Step 4: Simplify right side
    45,153.78x = 1,605,954,999.81
  5. Step 5: Solve for x
    x = 1,605,954,999.81/45,153.78
  6. Step 6: Final answer
    x = 35,566.35

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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.