Home / 55,461.34-76,536.48-30,310.84

Finding the Fourth Proportional to 55,461.34, 76,536.48 and 30,310.84

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Solution

The fourth proportional to 55,461.34, 76,536.48 and 30,310.84 is: 41,828.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,461.34 : 76,536.48 = 30,310.84 : x
  2. Step 2: Convert to fraction form
    55,461.34/76,536.48 = 30,310.84/x
  3. Step 3: Cross multiply
    55,461.34x = 76,536.48 × 30,310.84
  4. Step 4: Simplify right side
    55,461.34x = 2,319,884,999.44
  5. Step 5: Solve for x
    x = 2,319,884,999.44/55,461.34
  6. Step 6: Final answer
    x = 41,828.87

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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.