Home / 70,621.55-105,932.51-17,313.77

Finding the Fourth Proportional to 70,621.55, 105,932.51 and 17,313.77

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Solution

The fourth proportional to 70,621.55, 105,932.51 and 17,313.77 is: 25,970.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,621.55 : 105,932.51 = 17,313.77 : x
  2. Step 2: Convert to fraction form
    70,621.55/105,932.51 = 17,313.77/x
  3. Step 3: Cross multiply
    70,621.55x = 105,932.51 × 17,313.77
  4. Step 4: Simplify right side
    70,621.55x = 1,834,090,497.43
  5. Step 5: Solve for x
    x = 1,834,090,497.43/70,621.55
  6. Step 6: Final answer
    x = 25,970.69

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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.