Home / 55,341.06-76,369.95-30,188.94

Finding the Fourth Proportional to 55,341.06, 76,369.95 and 30,188.94

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Solution

The fourth proportional to 55,341.06, 76,369.95 and 30,188.94 is: 41,660.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,341.06 : 76,369.95 = 30,188.94 : x
  2. Step 2: Convert to fraction form
    55,341.06/76,369.95 = 30,188.94/x
  3. Step 3: Cross multiply
    55,341.06x = 76,369.95 × 30,188.94
  4. Step 4: Simplify right side
    55,341.06x = 2,305,527,838.35
  5. Step 5: Solve for x
    x = 2,305,527,838.35/55,341.06
  6. Step 6: Final answer
    x = 41,660.35

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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.