Home / 55,801.62-77,006.80-30,308.23

Finding the Fourth Proportional to 55,801.62, 77,006.80 and 30,308.23

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Solution

The fourth proportional to 55,801.62, 77,006.80 and 30,308.23 is: 41,825.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,801.62 : 77,006.80 = 30,308.23 : x
  2. Step 2: Convert to fraction form
    55,801.62/77,006.80 = 30,308.23/x
  3. Step 3: Cross multiply
    55,801.62x = 77,006.80 × 30,308.23
  4. Step 4: Simplify right side
    55,801.62x = 2,333,939,940.11
  5. Step 5: Solve for x
    x = 2,333,939,940.11/55,801.62
  6. Step 6: Final answer
    x = 41,825.67

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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.