Home / 56,723.72-85,085.56-15,169.64

Finding the Fourth Proportional to 56,723.72, 85,085.56 and 15,169.64

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Solution

The fourth proportional to 56,723.72, 85,085.56 and 15,169.64 is: 22,754.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,723.72 : 85,085.56 = 15,169.64 : x
  2. Step 2: Convert to fraction form
    56,723.72/85,085.56 = 15,169.64/x
  3. Step 3: Cross multiply
    56,723.72x = 85,085.56 × 15,169.64
  4. Step 4: Simplify right side
    56,723.72x = 1,290,717,314.40
  5. Step 5: Solve for x
    x = 1,290,717,314.40/56,723.72
  6. Step 6: Final answer
    x = 22,754.45

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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.