Home / 33,499-46,228.80-20,931.04

Finding the Fourth Proportional to 33,499, 46,228.80 and 20,931.04

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Solution

The fourth proportional to 33,499, 46,228.80 and 20,931.04 is: 28,884.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,499 : 46,228.80 = 20,931.04 : x
  2. Step 2: Convert to fraction form
    33,499/46,228.80 = 20,931.04/x
  3. Step 3: Cross multiply
    33,499x = 46,228.80 × 20,931.04
  4. Step 4: Simplify right side
    33,499x = 967,616,861.95
  5. Step 5: Solve for x
    x = 967,616,861.95/33,499
  6. Step 6: Final answer
    x = 28,884.95

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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.