Home / 51,375.36-70,899.40-29,019.36

Finding the Fourth Proportional to 51,375.36, 70,899.40 and 29,019.36

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Solution

The fourth proportional to 51,375.36, 70,899.40 and 29,019.36 is: 40,047.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,375.36 : 70,899.40 = 29,019.36 : x
  2. Step 2: Convert to fraction form
    51,375.36/70,899.40 = 29,019.36/x
  3. Step 3: Cross multiply
    51,375.36x = 70,899.40 × 29,019.36
  4. Step 4: Simplify right side
    51,375.36x = 2,057,455,212.38
  5. Step 5: Solve for x
    x = 2,057,455,212.38/51,375.36
  6. Step 6: Final answer
    x = 40,047.51

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1.5x scale

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.