Home / 55,488.96-76,575.06-30,338.46

Finding the Fourth Proportional to 55,488.96, 76,575.06 and 30,338.46

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Solution

The fourth proportional to 55,488.96, 76,575.06 and 30,338.46 is: 41,867.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,488.96 : 76,575.06 = 30,338.46 : x
  2. Step 2: Convert to fraction form
    55,488.96/76,575.06 = 30,338.46/x
  3. Step 3: Cross multiply
    55,488.96x = 76,575.06 × 30,338.46
  4. Step 4: Simplify right side
    55,488.96x = 2,323,169,394.81
  5. Step 5: Solve for x
    x = 2,323,169,394.81/55,488.96
  6. Step 6: Final answer
    x = 41,867.24

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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.