Home / 30,283.57-45,428.39-11,579.35

Finding the Fourth Proportional to 30,283.57, 45,428.39 and 11,579.35

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Solution

The fourth proportional to 30,283.57, 45,428.39 and 11,579.35 is: 17,370.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,283.57 : 45,428.39 = 11,579.35 : x
  2. Step 2: Convert to fraction form
    30,283.57/45,428.39 = 11,579.35/x
  3. Step 3: Cross multiply
    30,283.57x = 45,428.39 × 11,579.35
  4. Step 4: Simplify right side
    30,283.57x = 526,031,227.75
  5. Step 5: Solve for x
    x = 526,031,227.75/30,283.57
  6. Step 6: Final answer
    x = 17,370.19

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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.