Home / 71,944.10-99,284.09-39,682.43

Finding the Fourth Proportional to 71,944.10, 99,284.09 and 39,682.43

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Solution

The fourth proportional to 71,944.10, 99,284.09 and 39,682.43 is: 54,762.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,944.10 : 99,284.09 = 39,682.43 : x
  2. Step 2: Convert to fraction form
    71,944.10/99,284.09 = 39,682.43/x
  3. Step 3: Cross multiply
    71,944.10x = 99,284.09 × 39,682.43
  4. Step 4: Simplify right side
    71,944.10x = 3,939,833,256.71
  5. Step 5: Solve for x
    x = 3,939,833,256.71/71,944.10
  6. Step 6: Final answer
    x = 54,762.43

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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.