Home / 50,036.32-68,970.72-39,409.12

Finding the Fourth Proportional to 50,036.32, 68,970.72 and 39,409.12

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Solution

The fourth proportional to 50,036.32, 68,970.72 and 39,409.12 is: 54,322.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,036.32 : 68,970.72 = 39,409.12 : x
  2. Step 2: Convert to fraction form
    50,036.32/68,970.72 = 39,409.12/x
  3. Step 3: Cross multiply
    50,036.32x = 68,970.72 × 39,409.12
  4. Step 4: Simplify right side
    50,036.32x = 2,718,075,380.97
  5. Step 5: Solve for x
    x = 2,718,075,380.97/50,036.32
  6. Step 6: Final answer
    x = 54,322.05

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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.