Home / 40,576.16-56,066.64-31,225.52

Finding the Fourth Proportional to 40,576.16, 56,066.64 and 31,225.52

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Solution

The fourth proportional to 40,576.16, 56,066.64 and 31,225.52 is: 43,146.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,576.16 : 56,066.64 = 31,225.52 : x
  2. Step 2: Convert to fraction form
    40,576.16/56,066.64 = 31,225.52/x
  3. Step 3: Cross multiply
    40,576.16x = 56,066.64 × 31,225.52
  4. Step 4: Simplify right side
    40,576.16x = 1,750,709,988.65
  5. Step 5: Solve for x
    x = 1,750,709,988.65/40,576.16
  6. Step 6: Final answer
    x = 43,146.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.