Home / 30,124.40-41,576.56-28,795.59

Finding the Fourth Proportional to 30,124.40, 41,576.56 and 28,795.59

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Solution

The fourth proportional to 30,124.40, 41,576.56 and 28,795.59 is: 39,742.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,124.40 : 41,576.56 = 28,795.59 : x
  2. Step 2: Convert to fraction form
    30,124.40/41,576.56 = 28,795.59/x
  3. Step 3: Cross multiply
    30,124.40x = 41,576.56 × 28,795.59
  4. Step 4: Simplify right side
    30,124.40x = 1,197,221,503.38
  5. Step 5: Solve for x
    x = 1,197,221,503.38/30,124.40
  6. Step 6: Final answer
    x = 39,742.59

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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.