Home / 55,760.16-76,950.08-30,609.92

Finding the Fourth Proportional to 55,760.16, 76,950.08 and 30,609.92

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Solution

The fourth proportional to 55,760.16, 76,950.08 and 30,609.92 is: 42,242.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,760.16 : 76,950.08 = 30,609.92 : x
  2. Step 2: Convert to fraction form
    55,760.16/76,950.08 = 30,609.92/x
  3. Step 3: Cross multiply
    55,760.16x = 76,950.08 × 30,609.92
  4. Step 4: Simplify right side
    55,760.16x = 2,355,435,792.79
  5. Step 5: Solve for x
    x = 2,355,435,792.79/55,760.16
  6. Step 6: Final answer
    x = 42,242.27

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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.