Home / 30,106.28-41,545.56-16,678.12

Finding the Fourth Proportional to 30,106.28, 41,545.56 and 16,678.12

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Solution

The fourth proportional to 30,106.28, 41,545.56 and 16,678.12 is: 23,015.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,106.28 : 41,545.56 = 16,678.12 : x
  2. Step 2: Convert to fraction form
    30,106.28/41,545.56 = 16,678.12/x
  3. Step 3: Cross multiply
    30,106.28x = 41,545.56 × 16,678.12
  4. Step 4: Simplify right side
    30,106.28x = 692,901,835.15
  5. Step 5: Solve for x
    x = 692,901,835.15/30,106.28
  6. Step 6: Final answer
    x = 23,015.19

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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.