Home / 30,857.58-42,583.45-16,710.42

Finding the Fourth Proportional to 30,857.58, 42,583.45 and 16,710.42

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Solution

The fourth proportional to 30,857.58, 42,583.45 and 16,710.42 is: 23,060.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,857.58 : 42,583.45 = 16,710.42 : x
  2. Step 2: Convert to fraction form
    30,857.58/42,583.45 = 16,710.42/x
  3. Step 3: Cross multiply
    30,857.58x = 42,583.45 × 16,710.42
  4. Step 4: Simplify right side
    30,857.58x = 711,587,334.55
  5. Step 5: Solve for x
    x = 711,587,334.55/30,857.58
  6. Step 6: Final answer
    x = 23,060.37

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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.