Home / 29,506.22-40,706.39-20,558.91

Finding the Fourth Proportional to 29,506.22, 40,706.39 and 20,558.91

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Solution

The fourth proportional to 29,506.22, 40,706.39 and 20,558.91 is: 28,362.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,506.22 : 40,706.39 = 20,558.91 : x
  2. Step 2: Convert to fraction form
    29,506.22/40,706.39 = 20,558.91/x
  3. Step 3: Cross multiply
    29,506.22x = 40,706.39 × 20,558.91
  4. Step 4: Simplify right side
    29,506.22x = 836,878,702.11
  5. Step 5: Solve for x
    x = 836,878,702.11/29,506.22
  6. Step 6: Final answer
    x = 28,362.79

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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.