Home / 30,377.45-45,561.56-11,666.30

Finding the Fourth Proportional to 30,377.45, 45,561.56 and 11,666.30

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Solution

The fourth proportional to 30,377.45, 45,561.56 and 11,666.30 is: 17,497.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,377.45 : 45,561.56 = 11,666.30 : x
  2. Step 2: Convert to fraction form
    30,377.45/45,561.56 = 11,666.30/x
  3. Step 3: Cross multiply
    30,377.45x = 45,561.56 × 11,666.30
  4. Step 4: Simplify right side
    30,377.45x = 531,534,541.29
  5. Step 5: Solve for x
    x = 531,534,541.29/30,377.45
  6. Step 6: Final answer
    x = 17,497.67

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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.