Home / 30,111.54-41,551.59-16,681.74

Finding the Fourth Proportional to 30,111.54, 41,551.59 and 16,681.74

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Solution

The fourth proportional to 30,111.54, 41,551.59 and 16,681.74 is: 23,019.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,111.54 : 41,551.59 = 16,681.74 : x
  2. Step 2: Convert to fraction form
    30,111.54/41,551.59 = 16,681.74/x
  3. Step 3: Cross multiply
    30,111.54x = 41,551.59 × 16,681.74
  4. Step 4: Simplify right side
    30,111.54x = 693,152,820.97
  5. Step 5: Solve for x
    x = 693,152,820.97/30,111.54
  6. Step 6: Final answer
    x = 23,019.51

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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.