Home / 30,623.28-45,942.16-10,903.52

Finding the Fourth Proportional to 30,623.28, 45,942.16 and 10,903.52

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Solution

The fourth proportional to 30,623.28, 45,942.16 and 10,903.52 is: 16,357.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,623.28 : 45,942.16 = 10,903.52 : x
  2. Step 2: Convert to fraction form
    30,623.28/45,942.16 = 10,903.52/x
  3. Step 3: Cross multiply
    30,623.28x = 45,942.16 × 10,903.52
  4. Step 4: Simplify right side
    30,623.28x = 500,931,260.40
  5. Step 5: Solve for x
    x = 500,931,260.40/30,623.28
  6. Step 6: Final answer
    x = 16,357.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.