Home / 30,541.35-45,804.87-17,220.09

Finding the Fourth Proportional to 30,541.35, 45,804.87 and 17,220.09

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Solution

The fourth proportional to 30,541.35, 45,804.87 and 17,220.09 is: 25,826.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,541.35 : 45,804.87 = 17,220.09 : x
  2. Step 2: Convert to fraction form
    30,541.35/45,804.87 = 17,220.09/x
  3. Step 3: Cross multiply
    30,541.35x = 45,804.87 × 17,220.09
  4. Step 4: Simplify right side
    30,541.35x = 788,763,983.84
  5. Step 5: Solve for x
    x = 788,763,983.84/30,541.35
  6. Step 6: Final answer
    x = 25,826.10

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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.