Home / 30,825.03-42,538.60-16,677.89

Finding the Fourth Proportional to 30,825.03, 42,538.60 and 16,677.89

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Solution

The fourth proportional to 30,825.03, 42,538.60 and 16,677.89 is: 23,015.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,825.03 : 42,538.60 = 16,677.89 : x
  2. Step 2: Convert to fraction form
    30,825.03/42,538.60 = 16,677.89/x
  3. Step 3: Cross multiply
    30,825.03x = 42,538.60 × 16,677.89
  4. Step 4: Simplify right side
    30,825.03x = 709,454,091.55
  5. Step 5: Solve for x
    x = 709,454,091.55/30,825.03
  6. Step 6: Final answer
    x = 23,015.52

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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.