Home / 30,656.92-45,931.38-21,846.28

Finding the Fourth Proportional to 30,656.92, 45,931.38 and 21,846.28

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Solution

The fourth proportional to 30,656.92, 45,931.38 and 21,846.28 is: 32,730.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,656.92 : 45,931.38 = 21,846.28 : x
  2. Step 2: Convert to fraction form
    30,656.92/45,931.38 = 21,846.28/x
  3. Step 3: Cross multiply
    30,656.92x = 45,931.38 × 21,846.28
  4. Step 4: Simplify right side
    30,656.92x = 1,003,429,788.27
  5. Step 5: Solve for x
    x = 1,003,429,788.27/30,656.92
  6. Step 6: Final answer
    x = 32,730.94

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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.