Home / 33,319.76-45,980.55-18,212.52

Finding the Fourth Proportional to 33,319.76, 45,980.55 and 18,212.52

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Solution

The fourth proportional to 33,319.76, 45,980.55 and 18,212.52 is: 25,132.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,319.76 : 45,980.55 = 18,212.52 : x
  2. Step 2: Convert to fraction form
    33,319.76/45,980.55 = 18,212.52/x
  3. Step 3: Cross multiply
    33,319.76x = 45,980.55 × 18,212.52
  4. Step 4: Simplify right side
    33,319.76x = 837,421,686.49
  5. Step 5: Solve for x
    x = 837,421,686.49/33,319.76
  6. Step 6: Final answer
    x = 25,132.89

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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.