Home / 64,550.31-89,079.51-36,256.20

Finding the Fourth Proportional to 64,550.31, 89,079.51 and 36,256.20

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Solution

The fourth proportional to 64,550.31, 89,079.51 and 36,256.20 is: 50,033.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,550.31 : 89,079.51 = 36,256.20 : x
  2. Step 2: Convert to fraction form
    64,550.31/89,079.51 = 36,256.20/x
  3. Step 3: Cross multiply
    64,550.31x = 89,079.51 × 36,256.20
  4. Step 4: Simplify right side
    64,550.31x = 3,229,684,530.46
  5. Step 5: Solve for x
    x = 3,229,684,530.46/64,550.31
  6. Step 6: Final answer
    x = 50,033.60

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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.