Home / 30,541.36-45,804.86-17,220.10

Finding the Fourth Proportional to 30,541.36, 45,804.86 and 17,220.10

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Solution

The fourth proportional to 30,541.36, 45,804.86 and 17,220.10 is: 25,826.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,541.36 : 45,804.86 = 17,220.10 : x
  2. Step 2: Convert to fraction form
    30,541.36/45,804.86 = 17,220.10/x
  3. Step 3: Cross multiply
    30,541.36x = 45,804.86 × 17,220.10
  4. Step 4: Simplify right side
    30,541.36x = 788,764,269.69
  5. Step 5: Solve for x
    x = 788,764,269.69/30,541.36
  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.