Home / 33,931.32-46,823.10-20,494.64

Finding the Fourth Proportional to 33,931.32, 46,823.10 and 20,494.64

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Solution

The fourth proportional to 33,931.32, 46,823.10 and 20,494.64 is: 28,281.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,931.32 : 46,823.10 = 20,494.64 : x
  2. Step 2: Convert to fraction form
    33,931.32/46,823.10 = 20,494.64/x
  3. Step 3: Cross multiply
    33,931.32x = 46,823.10 × 20,494.64
  4. Step 4: Simplify right side
    33,931.32x = 959,622,344.07
  5. Step 5: Solve for x
    x = 959,622,344.07/33,931.32
  6. Step 6: Final answer
    x = 28,281.31

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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.