Home / 63,372.09-87,418.45-40,714.45

Finding the Fourth Proportional to 63,372.09, 87,418.45 and 40,714.45

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Solution

The fourth proportional to 63,372.09, 87,418.45 and 40,714.45 is: 56,163.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,372.09 : 87,418.45 = 40,714.45 : x
  2. Step 2: Convert to fraction form
    63,372.09/87,418.45 = 40,714.45/x
  3. Step 3: Cross multiply
    63,372.09x = 87,418.45 × 40,714.45
  4. Step 4: Simplify right side
    63,372.09x = 3,559,193,908.03
  5. Step 5: Solve for x
    x = 3,559,193,908.03/63,372.09
  6. Step 6: Final answer
    x = 56,163.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.