Home / 32,988.75-49,490.42-12,212.25

Finding the Fourth Proportional to 32,988.75, 49,490.42 and 12,212.25

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Solution

The fourth proportional to 32,988.75, 49,490.42 and 12,212.25 is: 18,321.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,988.75 : 49,490.42 = 12,212.25 : x
  2. Step 2: Convert to fraction form
    32,988.75/49,490.42 = 12,212.25/x
  3. Step 3: Cross multiply
    32,988.75x = 49,490.42 × 12,212.25
  4. Step 4: Simplify right side
    32,988.75x = 604,389,320.58
  5. Step 5: Solve for x
    x = 604,389,320.58/32,988.75
  6. Step 6: Final answer
    x = 18,321.07

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1.5x scale

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.