Home / 32,878.40-45,366.36-19,450.22

Finding the Fourth Proportional to 32,878.40, 45,366.36 and 19,450.22

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Solution

The fourth proportional to 32,878.40, 45,366.36 and 19,450.22 is: 26,837.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,878.40 : 45,366.36 = 19,450.22 : x
  2. Step 2: Convert to fraction form
    32,878.40/45,366.36 = 19,450.22/x
  3. Step 3: Cross multiply
    32,878.40x = 45,366.36 × 19,450.22
  4. Step 4: Simplify right side
    32,878.40x = 882,385,682.60
  5. Step 5: Solve for x
    x = 882,385,682.60/32,878.40
  6. Step 6: Final answer
    x = 26,837.85

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1.5x scale

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.