Home / 39,929.40-59,846.10-16,543.80

Finding the Fourth Proportional to 39,929.40, 59,846.10 and 16,543.80

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Solution

The fourth proportional to 39,929.40, 59,846.10 and 16,543.80 is: 24,795.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,929.40 : 59,846.10 = 16,543.80 : x
  2. Step 2: Convert to fraction form
    39,929.40/59,846.10 = 16,543.80/x
  3. Step 3: Cross multiply
    39,929.40x = 59,846.10 × 16,543.80
  4. Step 4: Simplify right side
    39,929.40x = 990,081,909.18
  5. Step 5: Solve for x
    x = 990,081,909.18/39,929.40
  6. Step 6: Final answer
    x = 24,795.81

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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.