Home / 33,210.40-45,829.52-18,306.08

Finding the Fourth Proportional to 33,210.40, 45,829.52 and 18,306.08

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Solution

The fourth proportional to 33,210.40, 45,829.52 and 18,306.08 is: 25,261.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,210.40 : 45,829.52 = 18,306.08 : x
  2. Step 2: Convert to fraction form
    33,210.40/45,829.52 = 18,306.08/x
  3. Step 3: Cross multiply
    33,210.40x = 45,829.52 × 18,306.08
  4. Step 4: Simplify right side
    33,210.40x = 838,958,859.48
  5. Step 5: Solve for x
    x = 838,958,859.48/33,210.40
  6. Step 6: Final answer
    x = 25,261.93

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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.