Home / 64,855.28-89,508.60-36,570.08

Finding the Fourth Proportional to 64,855.28, 89,508.60 and 36,570.08

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Solution

The fourth proportional to 64,855.28, 89,508.60 and 36,570.08 is: 50,471.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,855.28 : 89,508.60 = 36,570.08 : x
  2. Step 2: Convert to fraction form
    64,855.28/89,508.60 = 36,570.08/x
  3. Step 3: Cross multiply
    64,855.28x = 89,508.60 × 36,570.08
  4. Step 4: Simplify right side
    64,855.28x = 3,273,336,662.69
  5. Step 5: Solve for x
    x = 3,273,336,662.69/64,855.28
  6. Step 6: Final answer
    x = 50,471.40

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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.