Home / 51,603.42-71,175.40-31,461.15

Finding the Fourth Proportional to 51,603.42, 71,175.40 and 31,461.15

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Solution

The fourth proportional to 51,603.42, 71,175.40 and 31,461.15 is: 43,393.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,603.42 : 71,175.40 = 31,461.15 : x
  2. Step 2: Convert to fraction form
    51,603.42/71,175.40 = 31,461.15/x
  3. Step 3: Cross multiply
    51,603.42x = 71,175.40 × 31,461.15
  4. Step 4: Simplify right side
    51,603.42x = 2,239,259,935.71
  5. Step 5: Solve for x
    x = 2,239,259,935.71/51,603.42
  6. Step 6: Final answer
    x = 43,393.63

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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.