Home / 37,474.90-51,714.48-20,478.40

Finding the Fourth Proportional to 37,474.90, 51,714.48 and 20,478.40

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Solution

The fourth proportional to 37,474.90, 51,714.48 and 20,478.40 is: 28,259.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,474.90 : 51,714.48 = 20,478.40 : x
  2. Step 2: Convert to fraction form
    37,474.90/51,714.48 = 20,478.40/x
  3. Step 3: Cross multiply
    37,474.90x = 51,714.48 × 20,478.40
  4. Step 4: Simplify right side
    37,474.90x = 1,059,029,807.23
  5. Step 5: Solve for x
    x = 1,059,029,807.23/37,474.90
  6. Step 6: Final answer
    x = 28,259.71

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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.