Home / 51,455.84-71,007.12-29,100.32

Finding the Fourth Proportional to 51,455.84, 71,007.12 and 29,100.32

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Solution

The fourth proportional to 51,455.84, 71,007.12 and 29,100.32 is: 40,157.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,455.84 : 71,007.12 = 29,100.32 : x
  2. Step 2: Convert to fraction form
    51,455.84/71,007.12 = 29,100.32/x
  3. Step 3: Cross multiply
    51,455.84x = 71,007.12 × 29,100.32
  4. Step 4: Simplify right side
    51,455.84x = 2,066,329,914.28
  5. Step 5: Solve for x
    x = 2,066,329,914.28/51,455.84
  6. Step 6: Final answer
    x = 40,157.34

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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.