Home / 29,323.76-40,520.36-21,352.08

Finding the Fourth Proportional to 29,323.76, 40,520.36 and 21,352.08

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Solution

The fourth proportional to 29,323.76, 40,520.36 and 21,352.08 is: 29,504.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,323.76 : 40,520.36 = 21,352.08 : x
  2. Step 2: Convert to fraction form
    29,323.76/40,520.36 = 21,352.08/x
  3. Step 3: Cross multiply
    29,323.76x = 40,520.36 × 21,352.08
  4. Step 4: Simplify right side
    29,323.76x = 865,193,968.35
  5. Step 5: Solve for x
    x = 865,193,968.35/29,323.76
  6. Step 6: Final answer
    x = 29,504.88

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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.