Home / 51,090.20-76,635.30-14,154.20

Finding the Fourth Proportional to 51,090.20, 76,635.30 and 14,154.20

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Solution

The fourth proportional to 51,090.20, 76,635.30 and 14,154.20 is: 21,231.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,090.20 : 76,635.30 = 14,154.20 : x
  2. Step 2: Convert to fraction form
    51,090.20/76,635.30 = 14,154.20/x
  3. Step 3: Cross multiply
    51,090.20x = 76,635.30 × 14,154.20
  4. Step 4: Simplify right side
    51,090.20x = 1,084,710,980.08
  5. Step 5: Solve for x
    x = 1,084,710,980.08/51,090.20
  6. Step 6: Final answer
    x = 21,231.29

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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.