Home / 33,428.04-46,129.52-18,320.32

Finding the Fourth Proportional to 33,428.04, 46,129.52 and 18,320.32

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Solution

The fourth proportional to 33,428.04, 46,129.52 and 18,320.32 is: 25,281.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,428.04 : 46,129.52 = 18,320.32 : x
  2. Step 2: Convert to fraction form
    33,428.04/46,129.52 = 18,320.32/x
  3. Step 3: Cross multiply
    33,428.04x = 46,129.52 × 18,320.32
  4. Step 4: Simplify right side
    33,428.04x = 845,107,567.85
  5. Step 5: Solve for x
    x = 845,107,567.85/33,428.04
  6. Step 6: Final answer
    x = 25,281.40

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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.