Home / 29,421.61-40,603.68-16,502.09

Finding the Fourth Proportional to 29,421.61, 40,603.68 and 16,502.09

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Solution

The fourth proportional to 29,421.61, 40,603.68 and 16,502.09 is: 22,773.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,421.61 : 40,603.68 = 16,502.09 : x
  2. Step 2: Convert to fraction form
    29,421.61/40,603.68 = 16,502.09/x
  3. Step 3: Cross multiply
    29,421.61x = 40,603.68 × 16,502.09
  4. Step 4: Simplify right side
    29,421.61x = 670,045,378.67
  5. Step 5: Solve for x
    x = 670,045,378.67/29,421.61
  6. Step 6: Final answer
    x = 22,773.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.