Home / 33,210.98-45,829.81-18,103.32

Finding the Fourth Proportional to 33,210.98, 45,829.81 and 18,103.32

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Solution

The fourth proportional to 33,210.98, 45,829.81 and 18,103.32 is: 24,981.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,210.98 : 45,829.81 = 18,103.32 : x
  2. Step 2: Convert to fraction form
    33,210.98/45,829.81 = 18,103.32/x
  3. Step 3: Cross multiply
    33,210.98x = 45,829.81 × 18,103.32
  4. Step 4: Simplify right side
    33,210.98x = 829,671,715.97
  5. Step 5: Solve for x
    x = 829,671,715.97/33,210.98
  6. Step 6: Final answer
    x = 24,981.85

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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.