Home / 30,509.48-45,759.67-10,522.13

Finding the Fourth Proportional to 30,509.48, 45,759.67 and 10,522.13

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Solution

The fourth proportional to 30,509.48, 45,759.67 and 10,522.13 is: 15,781.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,509.48 : 45,759.67 = 10,522.13 : x
  2. Step 2: Convert to fraction form
    30,509.48/45,759.67 = 10,522.13/x
  3. Step 3: Cross multiply
    30,509.48x = 45,759.67 × 10,522.13
  4. Step 4: Simplify right side
    30,509.48x = 481,488,941.39
  5. Step 5: Solve for x
    x = 481,488,941.39/30,509.48
  6. Step 6: Final answer
    x = 15,781.62

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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.