Home / 64,613.40-89,156.80-36,313.60

Finding the Fourth Proportional to 64,613.40, 89,156.80 and 36,313.60

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Solution

The fourth proportional to 64,613.40, 89,156.80 and 36,313.60 is: 50,107.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,613.40 : 89,156.80 = 36,313.60 : x
  2. Step 2: Convert to fraction form
    64,613.40/89,156.80 = 36,313.60/x
  3. Step 3: Cross multiply
    64,613.40x = 89,156.80 × 36,313.60
  4. Step 4: Simplify right side
    64,613.40x = 3,237,604,372.48
  5. Step 5: Solve for x
    x = 3,237,604,372.48/64,613.40
  6. Step 6: Final answer
    x = 50,107.32

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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.