Home / 55,574.30-76,642.85-40,502.09

Finding the Fourth Proportional to 55,574.30, 76,642.85 and 40,502.09

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Solution

The fourth proportional to 55,574.30, 76,642.85 and 40,502.09 is: 55,856.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,574.30 : 76,642.85 = 40,502.09 : x
  2. Step 2: Convert to fraction form
    55,574.30/76,642.85 = 40,502.09/x
  3. Step 3: Cross multiply
    55,574.30x = 76,642.85 × 40,502.09
  4. Step 4: Simplify right side
    55,574.30x = 3,104,195,022.83
  5. Step 5: Solve for x
    x = 3,104,195,022.83/55,574.30
  6. Step 6: Final answer
    x = 55,856.67

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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.