Home / 31,962.72-44,094.60-21,210.24

Finding the Fourth Proportional to 31,962.72, 44,094.60 and 21,210.24

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Solution

The fourth proportional to 31,962.72, 44,094.60 and 21,210.24 is: 29,260.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,962.72 : 44,094.60 = 21,210.24 : x
  2. Step 2: Convert to fraction form
    31,962.72/44,094.60 = 21,210.24/x
  3. Step 3: Cross multiply
    31,962.72x = 44,094.60 × 21,210.24
  4. Step 4: Simplify right side
    31,962.72x = 935,257,048.70
  5. Step 5: Solve for x
    x = 935,257,048.70/31,962.72
  6. Step 6: Final answer
    x = 29,260.87

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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.