Home / 19,984.74-30,011.13-19,148.82

Finding the Fourth Proportional to 19,984.74, 30,011.13 and 19,148.82

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Solution

The fourth proportional to 19,984.74, 30,011.13 and 19,148.82 is: 28,755.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,984.74 : 30,011.13 = 19,148.82 : x
  2. Step 2: Convert to fraction form
    19,984.74/30,011.13 = 19,148.82/x
  3. Step 3: Cross multiply
    19,984.74x = 30,011.13 × 19,148.82
  4. Step 4: Simplify right side
    19,984.74x = 574,677,726.37
  5. Step 5: Solve for x
    x = 574,677,726.37/19,984.74
  6. Step 6: Final answer
    x = 28,755.83

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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.