Home / 30,767.40-46,247.43-20,304.65

Finding the Fourth Proportional to 30,767.40, 46,247.43 and 20,304.65

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Solution

The fourth proportional to 30,767.40, 46,247.43 and 20,304.65 is: 30,520.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,767.40 : 46,247.43 = 20,304.65 : x
  2. Step 2: Convert to fraction form
    30,767.40/46,247.43 = 20,304.65/x
  3. Step 3: Cross multiply
    30,767.40x = 46,247.43 × 20,304.65
  4. Step 4: Simplify right side
    30,767.40x = 939,038,094.37
  5. Step 5: Solve for x
    x = 939,038,094.37/30,767.40
  6. Step 6: Final answer
    x = 30,520.56

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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.