Home / 45,322.32-67,983.21-17,620.32

Finding the Fourth Proportional to 45,322.32, 67,983.21 and 17,620.32

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Solution

The fourth proportional to 45,322.32, 67,983.21 and 17,620.32 is: 26,430.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,322.32 : 67,983.21 = 17,620.32 : x
  2. Step 2: Convert to fraction form
    45,322.32/67,983.21 = 17,620.32/x
  3. Step 3: Cross multiply
    45,322.32x = 67,983.21 × 17,620.32
  4. Step 4: Simplify right side
    45,322.32x = 1,197,885,914.83
  5. Step 5: Solve for x
    x = 1,197,885,914.83/45,322.32
  6. Step 6: Final answer
    x = 26,430.38

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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.