Home / 55,223.40-76,209.16-30,072.88

Finding the Fourth Proportional to 55,223.40, 76,209.16 and 30,072.88

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Solution

The fourth proportional to 55,223.40, 76,209.16 and 30,072.88 is: 41,501.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,223.40 : 76,209.16 = 30,072.88 : x
  2. Step 2: Convert to fraction form
    55,223.40/76,209.16 = 30,072.88/x
  3. Step 3: Cross multiply
    55,223.40x = 76,209.16 × 30,072.88
  4. Step 4: Simplify right side
    55,223.40x = 2,291,828,923.58
  5. Step 5: Solve for x
    x = 2,291,828,923.58/55,223.40
  6. Step 6: Final answer
    x = 41,501.05

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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.