Home / 71,274.10-98,355.82-39,444.34

Finding the Fourth Proportional to 71,274.10, 98,355.82 and 39,444.34

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Solution

The fourth proportional to 71,274.10, 98,355.82 and 39,444.34 is: 54,431.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,274.10 : 98,355.82 = 39,444.34 : x
  2. Step 2: Convert to fraction form
    71,274.10/98,355.82 = 39,444.34/x
  3. Step 3: Cross multiply
    71,274.10x = 98,355.82 × 39,444.34
  4. Step 4: Simplify right side
    71,274.10x = 3,879,580,405.06
  5. Step 5: Solve for x
    x = 3,879,580,405.06/71,274.10
  6. Step 6: Final answer
    x = 54,431.84

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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.