Home / 32,421.12-48,377.82-28,222.08

Finding the Fourth Proportional to 32,421.12, 48,377.82 and 28,222.08

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Solution

The fourth proportional to 32,421.12, 48,377.82 and 28,222.08 is: 42,112.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,421.12 : 48,377.82 = 28,222.08 : x
  2. Step 2: Convert to fraction form
    32,421.12/48,377.82 = 28,222.08/x
  3. Step 3: Cross multiply
    32,421.12x = 48,377.82 × 28,222.08
  4. Step 4: Simplify right side
    32,421.12x = 1,365,322,706.27
  5. Step 5: Solve for x
    x = 1,365,322,706.27/32,421.12
  6. Step 6: Final answer
    x = 42,112.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.