Home / 30,022.10-45,039.18-8,962.46

Finding the Fourth Proportional to 30,022.10, 45,039.18 and 8,962.46

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Solution

The fourth proportional to 30,022.10, 45,039.18 and 8,962.46 is: 13,445.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,022.10 : 45,039.18 = 8,962.46 : x
  2. Step 2: Convert to fraction form
    30,022.10/45,039.18 = 8,962.46/x
  3. Step 3: Cross multiply
    30,022.10x = 45,039.18 × 8,962.46
  4. Step 4: Simplify right side
    30,022.10x = 403,661,849.18
  5. Step 5: Solve for x
    x = 403,661,849.18/30,022.10
  6. Step 6: Final answer
    x = 13,445.49

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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.