Home / 51,128.36-70,538.88-29,606.36

Finding the Fourth Proportional to 51,128.36, 70,538.88 and 29,606.36

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Solution

The fourth proportional to 51,128.36, 70,538.88 and 29,606.36 is: 40,846.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,128.36 : 70,538.88 = 29,606.36 : x
  2. Step 2: Convert to fraction form
    51,128.36/70,538.88 = 29,606.36/x
  3. Step 3: Cross multiply
    51,128.36x = 70,538.88 × 29,606.36
  4. Step 4: Simplify right side
    51,128.36x = 2,088,399,475.28
  5. Step 5: Solve for x
    x = 2,088,399,475.28/51,128.36
  6. Step 6: Final answer
    x = 40,846.21

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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.