Home / 30,319.56-45,479.42-10,598.12

Finding the Fourth Proportional to 30,319.56, 45,479.42 and 10,598.12

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Solution

The fourth proportional to 30,319.56, 45,479.42 and 10,598.12 is: 15,897.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,319.56 : 45,479.42 = 10,598.12 : x
  2. Step 2: Convert to fraction form
    30,319.56/45,479.42 = 10,598.12/x
  3. Step 3: Cross multiply
    30,319.56x = 45,479.42 × 10,598.12
  4. Step 4: Simplify right side
    30,319.56x = 481,996,350.69
  5. Step 5: Solve for x
    x = 481,996,350.69/30,319.56
  6. Step 6: Final answer
    x = 15,897.21

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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.