Home / 30,475.68-45,678.82-19,082.93

Finding the Fourth Proportional to 30,475.68, 45,678.82 and 19,082.93

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Solution

The fourth proportional to 30,475.68, 45,678.82 and 19,082.93 is: 28,602.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,475.68 : 45,678.82 = 19,082.93 : x
  2. Step 2: Convert to fraction form
    30,475.68/45,678.82 = 19,082.93/x
  3. Step 3: Cross multiply
    30,475.68x = 45,678.82 × 19,082.93
  4. Step 4: Simplify right side
    30,475.68x = 871,685,724.54
  5. Step 5: Solve for x
    x = 871,685,724.54/30,475.68
  6. Step 6: Final answer
    x = 28,602.67

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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.