Home / 30,882.30-46,323.45-20,903.10

Finding the Fourth Proportional to 30,882.30, 46,323.45 and 20,903.10

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Solution

The fourth proportional to 30,882.30, 46,323.45 and 20,903.10 is: 31,354.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,882.30 : 46,323.45 = 20,903.10 : x
  2. Step 2: Convert to fraction form
    30,882.30/46,323.45 = 20,903.10/x
  3. Step 3: Cross multiply
    30,882.30x = 46,323.45 × 20,903.10
  4. Step 4: Simplify right side
    30,882.30x = 968,303,707.70
  5. Step 5: Solve for x
    x = 968,303,707.70/30,882.30
  6. Step 6: Final answer
    x = 31,354.65

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1.5x scale

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.