Home / 53,543.22-73,890-29,671.44

Finding the Fourth Proportional to 53,543.22, 73,890 and 29,671.44

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Solution

The fourth proportional to 53,543.22, 73,890 and 29,671.44 is: 40,946.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,543.22 : 73,890 = 29,671.44 : x
  2. Step 2: Convert to fraction form
    53,543.22/73,890 = 29,671.44/x
  3. Step 3: Cross multiply
    53,543.22x = 73,890 × 29,671.44
  4. Step 4: Simplify right side
    53,543.22x = 2,192,422,701.60
  5. Step 5: Solve for x
    x = 2,192,422,701.60/53,543.22
  6. Step 6: Final answer
    x = 40,946.78

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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.