Home / 51,956.13-77,989.29-42,213.03

Finding the Fourth Proportional to 51,956.13, 77,989.29 and 42,213.03

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Solution

The fourth proportional to 51,956.13, 77,989.29 and 42,213.03 is: 63,364.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,956.13 : 77,989.29 = 42,213.03 : x
  2. Step 2: Convert to fraction form
    51,956.13/77,989.29 = 42,213.03/x
  3. Step 3: Cross multiply
    51,956.13x = 77,989.29 × 42,213.03
  4. Step 4: Simplify right side
    51,956.13x = 3,292,164,238.45
  5. Step 5: Solve for x
    x = 3,292,164,238.45/51,956.13
  6. Step 6: Final answer
    x = 63,364.31

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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.