Home / 56,427.61-84,611.35-18,975.24

Finding the Fourth Proportional to 56,427.61, 84,611.35 and 18,975.24

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Solution

The fourth proportional to 56,427.61, 84,611.35 and 18,975.24 is: 28,452.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,427.61 : 84,611.35 = 18,975.24 : x
  2. Step 2: Convert to fraction form
    56,427.61/84,611.35 = 18,975.24/x
  3. Step 3: Cross multiply
    56,427.61x = 84,611.35 × 18,975.24
  4. Step 4: Simplify right side
    56,427.61x = 1,605,520,672.97
  5. Step 5: Solve for x
    x = 1,605,520,672.97/56,427.61
  6. Step 6: Final answer
    x = 28,452.75

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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.