Home / 44,122.80-66,185.16-12,958.08

Finding the Fourth Proportional to 44,122.80, 66,185.16 and 12,958.08

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Solution

The fourth proportional to 44,122.80, 66,185.16 and 12,958.08 is: 19,437.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,122.80 : 66,185.16 = 12,958.08 : x
  2. Step 2: Convert to fraction form
    44,122.80/66,185.16 = 12,958.08/x
  3. Step 3: Cross multiply
    44,122.80x = 66,185.16 × 12,958.08
  4. Step 4: Simplify right side
    44,122.80x = 857,632,598.09
  5. Step 5: Solve for x
    x = 857,632,598.09/44,122.80
  6. Step 6: Final answer
    x = 19,437.40

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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.