Home / 33,137.57-45,729.36-18,030.40

Finding the Fourth Proportional to 33,137.57, 45,729.36 and 18,030.40

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Solution

The fourth proportional to 33,137.57, 45,729.36 and 18,030.40 is: 24,881.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,137.57 : 45,729.36 = 18,030.40 : x
  2. Step 2: Convert to fraction form
    33,137.57/45,729.36 = 18,030.40/x
  3. Step 3: Cross multiply
    33,137.57x = 45,729.36 × 18,030.40
  4. Step 4: Simplify right side
    33,137.57x = 824,518,538.22
  5. Step 5: Solve for x
    x = 824,518,538.22/33,137.57
  6. Step 6: Final answer
    x = 24,881.68

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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.