Home / 47,613.36-71,409.78-19,505.85

Finding the Fourth Proportional to 47,613.36, 71,409.78 and 19,505.85

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Solution

The fourth proportional to 47,613.36, 71,409.78 and 19,505.85 is: 29,254.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,613.36 : 71,409.78 = 19,505.85 : x
  2. Step 2: Convert to fraction form
    47,613.36/71,409.78 = 19,505.85/x
  3. Step 3: Cross multiply
    47,613.36x = 71,409.78 × 19,505.85
  4. Step 4: Simplify right side
    47,613.36x = 1,392,908,457.21
  5. Step 5: Solve for x
    x = 1,392,908,457.21/47,613.36
  6. Step 6: Final answer
    x = 29,254.57

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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.