Home / 55,156.34-76,131.80-36,038.93

Finding the Fourth Proportional to 55,156.34, 76,131.80 and 36,038.93

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Solution

The fourth proportional to 55,156.34, 76,131.80 and 36,038.93 is: 49,744.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,156.34 : 76,131.80 = 36,038.93 : x
  2. Step 2: Convert to fraction form
    55,156.34/76,131.80 = 36,038.93/x
  3. Step 3: Cross multiply
    55,156.34x = 76,131.80 × 36,038.93
  4. Step 4: Simplify right side
    55,156.34x = 2,743,708,185.27
  5. Step 5: Solve for x
    x = 2,743,708,185.27/55,156.34
  6. Step 6: Final answer
    x = 49,744.20

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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.