Home / 30,155.10-45,232.65-16,331.10

Finding the Fourth Proportional to 30,155.10, 45,232.65 and 16,331.10

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Solution

The fourth proportional to 30,155.10, 45,232.65 and 16,331.10 is: 24,496.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,155.10 : 45,232.65 = 16,331.10 : x
  2. Step 2: Convert to fraction form
    30,155.10/45,232.65 = 16,331.10/x
  3. Step 3: Cross multiply
    30,155.10x = 45,232.65 × 16,331.10
  4. Step 4: Simplify right side
    30,155.10x = 738,698,930.42
  5. Step 5: Solve for x
    x = 738,698,930.42/30,155.10
  6. Step 6: Final answer
    x = 24,496.65

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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.