Home / 68,854.37-95,022.65-38,638.13

Finding the Fourth Proportional to 68,854.37, 95,022.65 and 38,638.13

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Solution

The fourth proportional to 68,854.37, 95,022.65 and 38,638.13 is: 53,322.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,854.37 : 95,022.65 = 38,638.13 : x
  2. Step 2: Convert to fraction form
    68,854.37/95,022.65 = 38,638.13/x
  3. Step 3: Cross multiply
    68,854.37x = 95,022.65 × 38,638.13
  4. Step 4: Simplify right side
    68,854.37x = 3,671,497,125.13
  5. Step 5: Solve for x
    x = 3,671,497,125.13/68,854.37
  6. Step 6: Final answer
    x = 53,322.65

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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.