Home / 39,421.21-59,099.88-26,909.72

Finding the Fourth Proportional to 39,421.21, 59,099.88 and 26,909.72

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Solution

The fourth proportional to 39,421.21, 59,099.88 and 26,909.72 is: 40,342.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,421.21 : 59,099.88 = 26,909.72 : x
  2. Step 2: Convert to fraction form
    39,421.21/59,099.88 = 26,909.72/x
  3. Step 3: Cross multiply
    39,421.21x = 59,099.88 × 26,909.72
  4. Step 4: Simplify right side
    39,421.21x = 1,590,361,222.83
  5. Step 5: Solve for x
    x = 1,590,361,222.83/39,421.21
  6. Step 6: Final answer
    x = 40,342.78

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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.