Home / 30,308.90-45,452.55-10,588.10

Finding the Fourth Proportional to 30,308.90, 45,452.55 and 10,588.10

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Solution

The fourth proportional to 30,308.90, 45,452.55 and 10,588.10 is: 15,878.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,308.90 : 45,452.55 = 10,588.10 : x
  2. Step 2: Convert to fraction form
    30,308.90/45,452.55 = 10,588.10/x
  3. Step 3: Cross multiply
    30,308.90x = 45,452.55 × 10,588.10
  4. Step 4: Simplify right side
    30,308.90x = 481,256,144.66
  5. Step 5: Solve for x
    x = 481,256,144.66/30,308.90
  6. Step 6: Final answer
    x = 15,878.38

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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.