Home / 55,646.21-76,747.09-48,917.57

Finding the Fourth Proportional to 55,646.21, 76,747.09 and 48,917.57

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Solution

The fourth proportional to 55,646.21, 76,747.09 and 48,917.57 is: 67,466.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,646.21 : 76,747.09 = 48,917.57 : x
  2. Step 2: Convert to fraction form
    55,646.21/76,747.09 = 48,917.57/x
  3. Step 3: Cross multiply
    55,646.21x = 76,747.09 × 48,917.57
  4. Step 4: Simplify right side
    55,646.21x = 3,754,281,147.37
  5. Step 5: Solve for x
    x = 3,754,281,147.37/55,646.21
  6. Step 6: Final answer
    x = 67,466.97

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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.