Home / 39,613.68-59,421.56-11,532.60

Finding the Fourth Proportional to 39,613.68, 59,421.56 and 11,532.60

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Solution

The fourth proportional to 39,613.68, 59,421.56 and 11,532.60 is: 17,299.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,613.68 : 59,421.56 = 11,532.60 : x
  2. Step 2: Convert to fraction form
    39,613.68/59,421.56 = 11,532.60/x
  3. Step 3: Cross multiply
    39,613.68x = 59,421.56 × 11,532.60
  4. Step 4: Simplify right side
    39,613.68x = 685,285,082.86
  5. Step 5: Solve for x
    x = 685,285,082.86/39,613.68
  6. Step 6: Final answer
    x = 17,299.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.