Home / 30,316.74-45,475.26-10,581.45

Finding the Fourth Proportional to 30,316.74, 45,475.26 and 10,581.45

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Solution

The fourth proportional to 30,316.74, 45,475.26 and 10,581.45 is: 15,872.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,316.74 : 45,475.26 = 10,581.45 : x
  2. Step 2: Convert to fraction form
    30,316.74/45,475.26 = 10,581.45/x
  3. Step 3: Cross multiply
    30,316.74x = 45,475.26 × 10,581.45
  4. Step 4: Simplify right side
    30,316.74x = 481,194,189.93
  5. Step 5: Solve for x
    x = 481,194,189.93/30,316.74
  6. Step 6: Final answer
    x = 15,872.23

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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.