Home / 30,340.68-41,868.76-16,913.40

Finding the Fourth Proportional to 30,340.68, 41,868.76 and 16,913.40

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Solution

The fourth proportional to 30,340.68, 41,868.76 and 16,913.40 is: 23,339.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,340.68 : 41,868.76 = 16,913.40 : x
  2. Step 2: Convert to fraction form
    30,340.68/41,868.76 = 16,913.40/x
  3. Step 3: Cross multiply
    30,340.68x = 41,868.76 × 16,913.40
  4. Step 4: Simplify right side
    30,340.68x = 708,143,085.38
  5. Step 5: Solve for x
    x = 708,143,085.38/30,340.68
  6. Step 6: Final answer
    x = 23,339.72

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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.