Home / 35,908.68-53,875.98-12,538.56

Finding the Fourth Proportional to 35,908.68, 53,875.98 and 12,538.56

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Solution

The fourth proportional to 35,908.68, 53,875.98 and 12,538.56 is: 18,812.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,908.68 : 53,875.98 = 12,538.56 : x
  2. Step 2: Convert to fraction form
    35,908.68/53,875.98 = 12,538.56/x
  3. Step 3: Cross multiply
    35,908.68x = 53,875.98 × 12,538.56
  4. Step 4: Simplify right side
    35,908.68x = 675,527,207.79
  5. Step 5: Solve for x
    x = 675,527,207.79/35,908.68
  6. Step 6: Final answer
    x = 18,812.37

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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.