Home / 30,316.96-45,475.62-10,581.72

Finding the Fourth Proportional to 30,316.96, 45,475.62 and 10,581.72

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Solution

The fourth proportional to 30,316.96, 45,475.62 and 10,581.72 is: 15,872.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,316.96 : 45,475.62 = 10,581.72 : x
  2. Step 2: Convert to fraction form
    30,316.96/45,475.62 = 10,581.72/x
  3. Step 3: Cross multiply
    30,316.96x = 45,475.62 × 10,581.72
  4. Step 4: Simplify right side
    30,316.96x = 481,210,277.67
  5. Step 5: Solve for x
    x = 481,210,277.67/30,316.96
  6. Step 6: Final answer
    x = 15,872.64

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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.