Home / 51,429.40-77,064.30-35,665.18

Finding the Fourth Proportional to 51,429.40, 77,064.30 and 35,665.18

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Solution

The fourth proportional to 51,429.40, 77,064.30 and 35,665.18 is: 53,442.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,429.40 : 77,064.30 = 35,665.18 : x
  2. Step 2: Convert to fraction form
    51,429.40/77,064.30 = 35,665.18/x
  3. Step 3: Cross multiply
    51,429.40x = 77,064.30 × 35,665.18
  4. Step 4: Simplify right side
    51,429.40x = 2,748,512,131.07
  5. Step 5: Solve for x
    x = 2,748,512,131.07/51,429.40
  6. Step 6: Final answer
    x = 53,442.43

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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.