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Finding the Fourth Proportional to 55,585.83, 76,708.94 and 32,926.11

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Solution

The fourth proportional to 55,585.83, 76,708.94 and 32,926.11 is: 45,438.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,585.83 : 76,708.94 = 32,926.11 : x
  2. Step 2: Convert to fraction form
    55,585.83/76,708.94 = 32,926.11/x
  3. Step 3: Cross multiply
    55,585.83x = 76,708.94 × 32,926.11
  4. Step 4: Simplify right side
    55,585.83x = 2,525,726,831.79
  5. Step 5: Solve for x
    x = 2,525,726,831.79/55,585.83
  6. Step 6: Final answer
    x = 45,438.32

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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.