Home / 55,334.95-82,953.11-20,266.40

Finding the Fourth Proportional to 55,334.95, 82,953.11 and 20,266.40

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Solution

The fourth proportional to 55,334.95, 82,953.11 and 20,266.40 is: 30,381.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,334.95 : 82,953.11 = 20,266.40 : x
  2. Step 2: Convert to fraction form
    55,334.95/82,953.11 = 20,266.40/x
  3. Step 3: Cross multiply
    55,334.95x = 82,953.11 × 20,266.40
  4. Step 4: Simplify right side
    55,334.95x = 1,681,161,166.55
  5. Step 5: Solve for x
    x = 1,681,161,166.55/55,334.95
  6. Step 6: Final answer
    x = 30,381.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.