Home / 55,526.80-76,626.36-30,376

Finding the Fourth Proportional to 55,526.80, 76,626.36 and 30,376

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Solution

The fourth proportional to 55,526.80, 76,626.36 and 30,376 is: 41,918.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,526.80 : 76,626.36 = 30,376 : x
  2. Step 2: Convert to fraction form
    55,526.80/76,626.36 = 30,376/x
  3. Step 3: Cross multiply
    55,526.80x = 76,626.36 × 30,376
  4. Step 4: Simplify right side
    55,526.80x = 2,327,602,311.36
  5. Step 5: Solve for x
    x = 2,327,602,311.36/55,526.80
  6. Step 6: Final answer
    x = 41,918.54

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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.