Home / 20,875.68-31,310.48-6,080.63

Finding the Fourth Proportional to 20,875.68, 31,310.48 and 6,080.63

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Solution

The fourth proportional to 20,875.68, 31,310.48 and 6,080.63 is: 9,120.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,875.68 : 31,310.48 = 6,080.63 : x
  2. Step 2: Convert to fraction form
    20,875.68/31,310.48 = 6,080.63/x
  3. Step 3: Cross multiply
    20,875.68x = 31,310.48 × 6,080.63
  4. Step 4: Simplify right side
    20,875.68x = 190,387,444.00
  5. Step 5: Solve for x
    x = 190,387,444.00/20,875.68
  6. Step 6: Final answer
    x = 9,120.06

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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.