Home / 30,341.43-41,870.55-16,912.38

Finding the Fourth Proportional to 30,341.43, 41,870.55 and 16,912.38

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Solution

The fourth proportional to 30,341.43, 41,870.55 and 16,912.38 is: 23,338.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,341.43 : 41,870.55 = 16,912.38 : x
  2. Step 2: Convert to fraction form
    30,341.43/41,870.55 = 16,912.38/x
  3. Step 3: Cross multiply
    30,341.43x = 41,870.55 × 16,912.38
  4. Step 4: Simplify right side
    30,341.43x = 708,130,652.41
  5. Step 5: Solve for x
    x = 708,130,652.41/30,341.43
  6. Step 6: Final answer
    x = 23,338.74

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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.