Home / 30,859.73-42,586.43-16,712.58

Finding the Fourth Proportional to 30,859.73, 42,586.43 and 16,712.58

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Solution

The fourth proportional to 30,859.73, 42,586.43 and 16,712.58 is: 23,063.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,859.73 : 42,586.43 = 16,712.58 : x
  2. Step 2: Convert to fraction form
    30,859.73/42,586.43 = 16,712.58/x
  3. Step 3: Cross multiply
    30,859.73x = 42,586.43 × 16,712.58
  4. Step 4: Simplify right side
    30,859.73x = 711,729,095.89
  5. Step 5: Solve for x
    x = 711,729,095.89/30,859.73
  6. Step 6: Final answer
    x = 23,063.36

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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.