Home / 33,138.18-45,730.10-18,030.33

Finding the Fourth Proportional to 33,138.18, 45,730.10 and 18,030.33

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Solution

The fourth proportional to 33,138.18, 45,730.10 and 18,030.33 is: 24,881.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,138.18 : 45,730.10 = 18,030.33 : x
  2. Step 2: Convert to fraction form
    33,138.18/45,730.10 = 18,030.33/x
  3. Step 3: Cross multiply
    33,138.18x = 45,730.10 × 18,030.33
  4. Step 4: Simplify right side
    33,138.18x = 824,528,839.01
  5. Step 5: Solve for x
    x = 824,528,839.01/33,138.18
  6. Step 6: Final answer
    x = 24,881.54

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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.