Home / 58,455.41-87,630.49-21,006.68

Finding the Fourth Proportional to 58,455.41, 87,630.49 and 21,006.68

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Solution

The fourth proportional to 58,455.41, 87,630.49 and 21,006.68 is: 31,491.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,455.41 : 87,630.49 = 21,006.68 : x
  2. Step 2: Convert to fraction form
    58,455.41/87,630.49 = 21,006.68/x
  3. Step 3: Cross multiply
    58,455.41x = 87,630.49 × 21,006.68
  4. Step 4: Simplify right side
    58,455.41x = 1,840,825,661.67
  5. Step 5: Solve for x
    x = 1,840,825,661.67/58,455.41
  6. Step 6: Final answer
    x = 31,491.11

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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.