Home / 64,814.54-89,449.26-36,143.57

Finding the Fourth Proportional to 64,814.54, 89,449.26 and 36,143.57

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Solution

The fourth proportional to 64,814.54, 89,449.26 and 36,143.57 is: 49,881.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,814.54 : 89,449.26 = 36,143.57 : x
  2. Step 2: Convert to fraction form
    64,814.54/89,449.26 = 36,143.57/x
  3. Step 3: Cross multiply
    64,814.54x = 89,449.26 × 36,143.57
  4. Step 4: Simplify right side
    64,814.54x = 3,233,015,590.26
  5. Step 5: Solve for x
    x = 3,233,015,590.26/64,814.54
  6. Step 6: Final answer
    x = 49,881.02

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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.