Home / 30,206.70-45,326.31-17,751.03

Finding the Fourth Proportional to 30,206.70, 45,326.31 and 17,751.03

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Solution

The fourth proportional to 30,206.70, 45,326.31 and 17,751.03 is: 26,636.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,206.70 : 45,326.31 = 17,751.03 : x
  2. Step 2: Convert to fraction form
    30,206.70/45,326.31 = 17,751.03/x
  3. Step 3: Cross multiply
    30,206.70x = 45,326.31 × 17,751.03
  4. Step 4: Simplify right side
    30,206.70x = 804,588,688.60
  5. Step 5: Solve for x
    x = 804,588,688.60/30,206.70
  6. Step 6: Final answer
    x = 26,636.10

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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.