Home / 70,621.51-105,932.43-17,313.72

Finding the Fourth Proportional to 70,621.51, 105,932.43 and 17,313.72

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Solution

The fourth proportional to 70,621.51, 105,932.43 and 17,313.72 is: 25,970.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,621.51 : 105,932.43 = 17,313.72 : x
  2. Step 2: Convert to fraction form
    70,621.51/105,932.43 = 17,313.72/x
  3. Step 3: Cross multiply
    70,621.51x = 105,932.43 × 17,313.72
  4. Step 4: Simplify right side
    70,621.51x = 1,834,084,431.94
  5. Step 5: Solve for x
    x = 1,834,084,431.94/70,621.51
  6. Step 6: Final answer
    x = 25,970.62

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1.5x scale

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.