Home / 43,080.47-64,652.30-28,284.20

Finding the Fourth Proportional to 43,080.47, 64,652.30 and 28,284.20

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Solution

The fourth proportional to 43,080.47, 64,652.30 and 28,284.20 is: 42,447.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,080.47 : 64,652.30 = 28,284.20 : x
  2. Step 2: Convert to fraction form
    43,080.47/64,652.30 = 28,284.20/x
  3. Step 3: Cross multiply
    43,080.47x = 64,652.30 × 28,284.20
  4. Step 4: Simplify right side
    43,080.47x = 1,828,638,583.66
  5. Step 5: Solve for x
    x = 1,828,638,583.66/43,080.47
  6. Step 6: Final answer
    x = 42,447.04

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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.