Home / 39,674.16-54,750.88-21,768.84

Finding the Fourth Proportional to 39,674.16, 54,750.88 and 21,768.84

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Solution

The fourth proportional to 39,674.16, 54,750.88 and 21,768.84 is: 30,041.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,674.16 : 54,750.88 = 21,768.84 : x
  2. Step 2: Convert to fraction form
    39,674.16/54,750.88 = 21,768.84/x
  3. Step 3: Cross multiply
    39,674.16x = 54,750.88 × 21,768.84
  4. Step 4: Simplify right side
    39,674.16x = 1,191,863,146.58
  5. Step 5: Solve for x
    x = 1,191,863,146.58/39,674.16
  6. Step 6: Final answer
    x = 30,041.30

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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.