Home / 55,417.12-76,474.24-30,264.96

Finding the Fourth Proportional to 55,417.12, 76,474.24 and 30,264.96

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Solution

The fourth proportional to 55,417.12, 76,474.24 and 30,264.96 is: 41,764.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,417.12 : 76,474.24 = 30,264.96 : x
  2. Step 2: Convert to fraction form
    55,417.12/76,474.24 = 30,264.96/x
  3. Step 3: Cross multiply
    55,417.12x = 76,474.24 × 30,264.96
  4. Step 4: Simplify right side
    55,417.12x = 2,314,489,814.63
  5. Step 5: Solve for x
    x = 2,314,489,814.63/55,417.12
  6. Step 6: Final answer
    x = 41,764.89

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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.