Home / 30,358.27-45,537.81-10,637.38

Finding the Fourth Proportional to 30,358.27, 45,537.81 and 10,637.38

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Solution

The fourth proportional to 30,358.27, 45,537.81 and 10,637.38 is: 15,956.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,358.27 : 45,537.81 = 10,637.38 : x
  2. Step 2: Convert to fraction form
    30,358.27/45,537.81 = 10,637.38/x
  3. Step 3: Cross multiply
    30,358.27x = 45,537.81 × 10,637.38
  4. Step 4: Simplify right side
    30,358.27x = 484,402,989.34
  5. Step 5: Solve for x
    x = 484,402,989.34/30,358.27
  6. Step 6: Final answer
    x = 15,956.21

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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.