Home / 30,655.32-45,958.55-28,195.08

Finding the Fourth Proportional to 30,655.32, 45,958.55 and 28,195.08

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Solution

The fourth proportional to 30,655.32, 45,958.55 and 28,195.08 is: 42,270.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,655.32 : 45,958.55 = 28,195.08 : x
  2. Step 2: Convert to fraction form
    30,655.32/45,958.55 = 28,195.08/x
  3. Step 3: Cross multiply
    30,655.32x = 45,958.55 × 28,195.08
  4. Step 4: Simplify right side
    30,655.32x = 1,295,804,852.96
  5. Step 5: Solve for x
    x = 1,295,804,852.96/30,655.32
  6. Step 6: Final answer
    x = 42,270.15

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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.