Home / 35,421.75-48,866.54-21,797.64

Finding the Fourth Proportional to 35,421.75, 48,866.54 and 21,797.64

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Solution

The fourth proportional to 35,421.75, 48,866.54 and 21,797.64 is: 30,071.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,421.75 : 48,866.54 = 21,797.64 : x
  2. Step 2: Convert to fraction form
    35,421.75/48,866.54 = 21,797.64/x
  3. Step 3: Cross multiply
    35,421.75x = 48,866.54 × 21,797.64
  4. Step 4: Simplify right side
    35,421.75x = 1,065,175,137.98
  5. Step 5: Solve for x
    x = 1,065,175,137.98/35,421.75
  6. Step 6: Final answer
    x = 30,071.22

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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.