Home / 34,688.56-51,998.61-13,615.40

Finding the Fourth Proportional to 34,688.56, 51,998.61 and 13,615.40

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Solution

The fourth proportional to 34,688.56, 51,998.61 and 13,615.40 is: 20,409.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,688.56 : 51,998.61 = 13,615.40 : x
  2. Step 2: Convert to fraction form
    34,688.56/51,998.61 = 13,615.40/x
  3. Step 3: Cross multiply
    34,688.56x = 51,998.61 × 13,615.40
  4. Step 4: Simplify right side
    34,688.56x = 707,981,614.60
  5. Step 5: Solve for x
    x = 707,981,614.60/34,688.56
  6. Step 6: Final answer
    x = 20,409.66

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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.