Home / 65,454.54-90,338.94-38,595.48

Finding the Fourth Proportional to 65,454.54, 90,338.94 and 38,595.48

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Solution

The fourth proportional to 65,454.54, 90,338.94 and 38,595.48 is: 53,268.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,454.54 : 90,338.94 = 38,595.48 : x
  2. Step 2: Convert to fraction form
    65,454.54/90,338.94 = 38,595.48/x
  3. Step 3: Cross multiply
    65,454.54x = 90,338.94 × 38,595.48
  4. Step 4: Simplify right side
    65,454.54x = 3,486,674,751.99
  5. Step 5: Solve for x
    x = 3,486,674,751.99/65,454.54
  6. Step 6: Final answer
    x = 53,268.65

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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.