Home / 43,303.29-64,957.46-12,140.97

Finding the Fourth Proportional to 43,303.29, 64,957.46 and 12,140.97

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Solution

The fourth proportional to 43,303.29, 64,957.46 and 12,140.97 is: 18,212.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,303.29 : 64,957.46 = 12,140.97 : x
  2. Step 2: Convert to fraction form
    43,303.29/64,957.46 = 12,140.97/x
  3. Step 3: Cross multiply
    43,303.29x = 64,957.46 × 12,140.97
  4. Step 4: Simplify right side
    43,303.29x = 788,646,512.43
  5. Step 5: Solve for x
    x = 788,646,512.43/43,303.29
  6. Step 6: Final answer
    x = 18,212.16

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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.