Home / 51,372.32-70,893.82-28,712.24

Finding the Fourth Proportional to 51,372.32, 70,893.82 and 28,712.24

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Solution

The fourth proportional to 51,372.32, 70,893.82 and 28,712.24 is: 39,622.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,372.32 : 70,893.82 = 28,712.24 : x
  2. Step 2: Convert to fraction form
    51,372.32/70,893.82 = 28,712.24/x
  3. Step 3: Cross multiply
    51,372.32x = 70,893.82 × 28,712.24
  4. Step 4: Simplify right side
    51,372.32x = 2,035,520,374.36
  5. Step 5: Solve for x
    x = 2,035,520,374.36/51,372.32
  6. Step 6: Final answer
    x = 39,622.90

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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.