Home / 32,981.54-45,512.36-21,043.58

Finding the Fourth Proportional to 32,981.54, 45,512.36 and 21,043.58

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Solution

The fourth proportional to 32,981.54, 45,512.36 and 21,043.58 is: 29,038.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,981.54 : 45,512.36 = 21,043.58 : x
  2. Step 2: Convert to fraction form
    32,981.54/45,512.36 = 21,043.58/x
  3. Step 3: Cross multiply
    32,981.54x = 45,512.36 × 21,043.58
  4. Step 4: Simplify right side
    32,981.54x = 957,742,988.65
  5. Step 5: Solve for x
    x = 957,742,988.65/32,981.54
  6. Step 6: Final answer
    x = 29,038.76

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.