Home / 37,632.40-51,939.48-21,714.64

Finding the Fourth Proportional to 37,632.40, 51,939.48 and 21,714.64

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Solution

The fourth proportional to 37,632.40, 51,939.48 and 21,714.64 is: 29,970.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,632.40 : 51,939.48 = 21,714.64 : x
  2. Step 2: Convert to fraction form
    37,632.40/51,939.48 = 21,714.64/x
  3. Step 3: Cross multiply
    37,632.40x = 51,939.48 × 21,714.64
  4. Step 4: Simplify right side
    37,632.40x = 1,127,847,109.99
  5. Step 5: Solve for x
    x = 1,127,847,109.99/37,632.40
  6. Step 6: Final answer
    x = 29,970.11

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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.