Home / 30,860.83-42,587.91-16,713.68

Finding the Fourth Proportional to 30,860.83, 42,587.91 and 16,713.68

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Solution

The fourth proportional to 30,860.83, 42,587.91 and 16,713.68 is: 23,064.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,860.83 : 42,587.91 = 16,713.68 : x
  2. Step 2: Convert to fraction form
    30,860.83/42,587.91 = 16,713.68/x
  3. Step 3: Cross multiply
    30,860.83x = 42,587.91 × 16,713.68
  4. Step 4: Simplify right side
    30,860.83x = 711,800,486.67
  5. Step 5: Solve for x
    x = 711,800,486.67/30,860.83
  6. Step 6: Final answer
    x = 23,064.85

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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.