Home / 31,020.05-46,488.56-15,200.88

Finding the Fourth Proportional to 31,020.05, 46,488.56 and 15,200.88

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Solution

The fourth proportional to 31,020.05, 46,488.56 and 15,200.88 is: 22,780.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,020.05 : 46,488.56 = 15,200.88 : x
  2. Step 2: Convert to fraction form
    31,020.05/46,488.56 = 15,200.88/x
  3. Step 3: Cross multiply
    31,020.05x = 46,488.56 × 15,200.88
  4. Step 4: Simplify right side
    31,020.05x = 706,666,945.93
  5. Step 5: Solve for x
    x = 706,666,945.93/31,020.05
  6. Step 6: Final answer
    x = 22,780.98

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1.5x scale

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.