Home / 45,521.28-68,303.04-19,232.16

Finding the Fourth Proportional to 45,521.28, 68,303.04 and 19,232.16

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Solution

The fourth proportional to 45,521.28, 68,303.04 and 19,232.16 is: 28,857.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,521.28 : 68,303.04 = 19,232.16 : x
  2. Step 2: Convert to fraction form
    45,521.28/68,303.04 = 19,232.16/x
  3. Step 3: Cross multiply
    45,521.28x = 68,303.04 × 19,232.16
  4. Step 4: Simplify right side
    45,521.28x = 1,313,614,993.77
  5. Step 5: Solve for x
    x = 1,313,614,993.77/45,521.28
  6. Step 6: Final answer
    x = 28,857.16

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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.