Home / 36,506.78-50,387.64-30,528.08

Finding the Fourth Proportional to 36,506.78, 50,387.64 and 30,528.08

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Solution

The fourth proportional to 36,506.78, 50,387.64 and 30,528.08 is: 42,135.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,506.78 : 50,387.64 = 30,528.08 : x
  2. Step 2: Convert to fraction form
    36,506.78/50,387.64 = 30,528.08/x
  3. Step 3: Cross multiply
    36,506.78x = 50,387.64 × 30,528.08
  4. Step 4: Simplify right side
    36,506.78x = 1,538,237,904.93
  5. Step 5: Solve for x
    x = 1,538,237,904.93/36,506.78
  6. Step 6: Final answer
    x = 42,135.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.