Home / 30,284.76-41,781.36-22,345.92

Finding the Fourth Proportional to 30,284.76, 41,781.36 and 22,345.92

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Solution

The fourth proportional to 30,284.76, 41,781.36 and 22,345.92 is: 30,828.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,284.76 : 41,781.36 = 22,345.92 : x
  2. Step 2: Convert to fraction form
    30,284.76/41,781.36 = 22,345.92/x
  3. Step 3: Cross multiply
    30,284.76x = 41,781.36 × 22,345.92
  4. Step 4: Simplify right side
    30,284.76x = 933,642,928.05
  5. Step 5: Solve for x
    x = 933,642,928.05/30,284.76
  6. Step 6: Final answer
    x = 30,828.80

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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.