Home / 56,909.04-85,375.08-19,975.92

Finding the Fourth Proportional to 56,909.04, 85,375.08 and 19,975.92

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Solution

The fourth proportional to 56,909.04, 85,375.08 and 19,975.92 is: 29,967.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,909.04 : 85,375.08 = 19,975.92 : x
  2. Step 2: Convert to fraction form
    56,909.04/85,375.08 = 19,975.92/x
  3. Step 3: Cross multiply
    56,909.04x = 85,375.08 × 19,975.92
  4. Step 4: Simplify right side
    56,909.04x = 1,705,445,768.07
  5. Step 5: Solve for x
    x = 1,705,445,768.07/56,909.04
  6. Step 6: Final answer
    x = 29,967.92

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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.