Home / 43,615.98-65,457.06-31,959.66

Finding the Fourth Proportional to 43,615.98, 65,457.06 and 31,959.66

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Solution

The fourth proportional to 43,615.98, 65,457.06 and 31,959.66 is: 47,963.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,615.98 : 65,457.06 = 31,959.66 : x
  2. Step 2: Convert to fraction form
    43,615.98/65,457.06 = 31,959.66/x
  3. Step 3: Cross multiply
    43,615.98x = 65,457.06 × 31,959.66
  4. Step 4: Simplify right side
    43,615.98x = 2,091,985,382.20
  5. Step 5: Solve for x
    x = 2,091,985,382.20/43,615.98
  6. Step 6: Final answer
    x = 47,963.74

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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.