Home / 51,008.20-76,512.30-37,886.20

Finding the Fourth Proportional to 51,008.20, 76,512.30 and 37,886.20

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Solution

The fourth proportional to 51,008.20, 76,512.30 and 37,886.20 is: 56,829.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,008.20 : 76,512.30 = 37,886.20 : x
  2. Step 2: Convert to fraction form
    51,008.20/76,512.30 = 37,886.20/x
  3. Step 3: Cross multiply
    51,008.20x = 76,512.30 × 37,886.20
  4. Step 4: Simplify right side
    51,008.20x = 2,898,760,300.26
  5. Step 5: Solve for x
    x = 2,898,760,300.26/51,008.20
  6. Step 6: Final answer
    x = 56,829.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.