Home / 64,889.22-89,539.11-38,025.57

Finding the Fourth Proportional to 64,889.22, 89,539.11 and 38,025.57

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Solution

The fourth proportional to 64,889.22, 89,539.11 and 38,025.57 is: 52,470.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,889.22 : 89,539.11 = 38,025.57 : x
  2. Step 2: Convert to fraction form
    64,889.22/89,539.11 = 38,025.57/x
  3. Step 3: Cross multiply
    64,889.22x = 89,539.11 × 38,025.57
  4. Step 4: Simplify right side
    64,889.22x = 3,404,775,695.04
  5. Step 5: Solve for x
    x = 3,404,775,695.04/64,889.22
  6. Step 6: Final answer
    x = 52,470.59

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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.