Home / 34,820.41-48,077.13-21,409.69

Finding the Fourth Proportional to 34,820.41, 48,077.13 and 21,409.69

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Solution

The fourth proportional to 34,820.41, 48,077.13 and 21,409.69 is: 29,560.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,820.41 : 48,077.13 = 21,409.69 : x
  2. Step 2: Convert to fraction form
    34,820.41/48,077.13 = 21,409.69/x
  3. Step 3: Cross multiply
    34,820.41x = 48,077.13 × 21,409.69
  4. Step 4: Simplify right side
    34,820.41x = 1,029,316,449.39
  5. Step 5: Solve for x
    x = 1,029,316,449.39/34,820.41
  6. Step 6: Final answer
    x = 29,560.72

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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.