Home / 45,009.08-67,490.94-20,048.12

Finding the Fourth Proportional to 45,009.08, 67,490.94 and 20,048.12

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Solution

The fourth proportional to 45,009.08, 67,490.94 and 20,048.12 is: 30,062.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,009.08 : 67,490.94 = 20,048.12 : x
  2. Step 2: Convert to fraction form
    45,009.08/67,490.94 = 20,048.12/x
  3. Step 3: Cross multiply
    45,009.08x = 67,490.94 × 20,048.12
  4. Step 4: Simplify right side
    45,009.08x = 1,353,066,464.03
  5. Step 5: Solve for x
    x = 1,353,066,464.03/45,009.08
  6. Step 6: Final answer
    x = 30,062.08

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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.