Home / 30,856.53-42,582.14-16,709.38

Finding the Fourth Proportional to 30,856.53, 42,582.14 and 16,709.38

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Solution

The fourth proportional to 30,856.53, 42,582.14 and 16,709.38 is: 23,059.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,856.53 : 42,582.14 = 16,709.38 : x
  2. Step 2: Convert to fraction form
    30,856.53/42,582.14 = 16,709.38/x
  3. Step 3: Cross multiply
    30,856.53x = 42,582.14 × 16,709.38
  4. Step 4: Simplify right side
    30,856.53x = 711,521,074.93
  5. Step 5: Solve for x
    x = 711,521,074.93/30,856.53
  6. Step 6: Final answer
    x = 23,059.02

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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.