Home / 64,880.30-89,534.67-36,585.79

Finding the Fourth Proportional to 64,880.30, 89,534.67 and 36,585.79

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Solution

The fourth proportional to 64,880.30, 89,534.67 and 36,585.79 is: 50,488.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,880.30 : 89,534.67 = 36,585.79 : x
  2. Step 2: Convert to fraction form
    64,880.30/89,534.67 = 36,585.79/x
  3. Step 3: Cross multiply
    64,880.30x = 89,534.67 × 36,585.79
  4. Step 4: Simplify right side
    64,880.30x = 3,275,696,634.34
  5. Step 5: Solve for x
    x = 3,275,696,634.34/64,880.30
  6. Step 6: Final answer
    x = 50,488.31

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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.