Home / 56,440.08-84,601.44-18,987.44

Finding the Fourth Proportional to 56,440.08, 84,601.44 and 18,987.44

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Solution

The fourth proportional to 56,440.08, 84,601.44 and 18,987.44 is: 28,461.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,440.08 : 84,601.44 = 18,987.44 : x
  2. Step 2: Convert to fraction form
    56,440.08/84,601.44 = 18,987.44/x
  3. Step 3: Cross multiply
    56,440.08x = 84,601.44 × 18,987.44
  4. Step 4: Simplify right side
    56,440.08x = 1,606,364,765.91
  5. Step 5: Solve for x
    x = 1,606,364,765.91/56,440.08
  6. Step 6: Final answer
    x = 28,461.42

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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.