Home / 63,380.94-87,427.35-40,712.22

Finding the Fourth Proportional to 63,380.94, 87,427.35 and 40,712.22

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Solution

The fourth proportional to 63,380.94, 87,427.35 and 40,712.22 is: 56,158.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,380.94 : 87,427.35 = 40,712.22 : x
  2. Step 2: Convert to fraction form
    63,380.94/87,427.35 = 40,712.22/x
  3. Step 3: Cross multiply
    63,380.94x = 87,427.35 × 40,712.22
  4. Step 4: Simplify right side
    63,380.94x = 3,559,361,507.22
  5. Step 5: Solve for x
    x = 3,559,361,507.22/63,380.94
  6. Step 6: Final answer
    x = 56,158.23

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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.