Home / 30,365.85-45,494.10-28,536.06

Finding the Fourth Proportional to 30,365.85, 45,494.10 and 28,536.06

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Solution

The fourth proportional to 30,365.85, 45,494.10 and 28,536.06 is: 42,752.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,365.85 : 45,494.10 = 28,536.06 : x
  2. Step 2: Convert to fraction form
    30,365.85/45,494.10 = 28,536.06/x
  3. Step 3: Cross multiply
    30,365.85x = 45,494.10 × 28,536.06
  4. Step 4: Simplify right side
    30,365.85x = 1,298,222,367.25
  5. Step 5: Solve for x
    x = 1,298,222,367.25/30,365.85
  6. Step 6: Final answer
    x = 42,752.71

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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.