Home / 30,358.71-45,527.13-12,829.91

Finding the Fourth Proportional to 30,358.71, 45,527.13 and 12,829.91

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Solution

The fourth proportional to 30,358.71, 45,527.13 and 12,829.91 is: 19,240.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,358.71 : 45,527.13 = 12,829.91 : x
  2. Step 2: Convert to fraction form
    30,358.71/45,527.13 = 12,829.91/x
  3. Step 3: Cross multiply
    30,358.71x = 45,527.13 × 12,829.91
  4. Step 4: Simplify right side
    30,358.71x = 584,108,752.82
  5. Step 5: Solve for x
    x = 584,108,752.82/30,358.71
  6. Step 6: Final answer
    x = 19,240.24

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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.