Home / 64,880.08-89,537.12-36,585.20

Finding the Fourth Proportional to 64,880.08, 89,537.12 and 36,585.20

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Solution

The fourth proportional to 64,880.08, 89,537.12 and 36,585.20 is: 50,489.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,880.08 : 89,537.12 = 36,585.20 : x
  2. Step 2: Convert to fraction form
    64,880.08/89,537.12 = 36,585.20/x
  3. Step 3: Cross multiply
    64,880.08x = 89,537.12 × 36,585.20
  4. Step 4: Simplify right side
    64,880.08x = 3,275,733,442.62
  5. Step 5: Solve for x
    x = 3,275,733,442.62/64,880.08
  6. Step 6: Final answer
    x = 50,489.05

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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.