Home / 23,555.01-35,179.20-21,105.57

Finding the Fourth Proportional to 23,555.01, 35,179.20 and 21,105.57

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Solution

The fourth proportional to 23,555.01, 35,179.20 and 21,105.57 is: 31,520.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,555.01 : 35,179.20 = 21,105.57 : x
  2. Step 2: Convert to fraction form
    23,555.01/35,179.20 = 21,105.57/x
  3. Step 3: Cross multiply
    23,555.01x = 35,179.20 × 21,105.57
  4. Step 4: Simplify right side
    23,555.01x = 742,477,068.14
  5. Step 5: Solve for x
    x = 742,477,068.14/23,555.01
  6. Step 6: Final answer
    x = 31,520.98

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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.