Home / 40,313.72-55,613.58-34,715

Finding the Fourth Proportional to 40,313.72, 55,613.58 and 34,715

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Solution

The fourth proportional to 40,313.72, 55,613.58 and 34,715 is: 47,890.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,313.72 : 55,613.58 = 34,715 : x
  2. Step 2: Convert to fraction form
    40,313.72/55,613.58 = 34,715/x
  3. Step 3: Cross multiply
    40,313.72x = 55,613.58 × 34,715
  4. Step 4: Simplify right side
    40,313.72x = 1,930,625,429.70
  5. Step 5: Solve for x
    x = 1,930,625,429.70/40,313.72
  6. Step 6: Final answer
    x = 47,890.03

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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.