Home / 42,620-58,815.64-23,757.12

Finding the Fourth Proportional to 42,620, 58,815.64 and 23,757.12

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Solution

The fourth proportional to 42,620, 58,815.64 and 23,757.12 is: 32,784.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,620 : 58,815.64 = 23,757.12 : x
  2. Step 2: Convert to fraction form
    42,620/58,815.64 = 23,757.12/x
  3. Step 3: Cross multiply
    42,620x = 58,815.64 × 23,757.12
  4. Step 4: Simplify right side
    42,620x = 1,397,290,217.36
  5. Step 5: Solve for x
    x = 1,397,290,217.36/42,620
  6. Step 6: Final answer
    x = 32,784.85

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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.