Home / 45,529.28-68,315.04-19,240.16

Finding the Fourth Proportional to 45,529.28, 68,315.04 and 19,240.16

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Solution

The fourth proportional to 45,529.28, 68,315.04 and 19,240.16 is: 28,869.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,529.28 : 68,315.04 = 19,240.16 : x
  2. Step 2: Convert to fraction form
    45,529.28/68,315.04 = 19,240.16/x
  3. Step 3: Cross multiply
    45,529.28x = 68,315.04 × 19,240.16
  4. Step 4: Simplify right side
    45,529.28x = 1,314,392,300.01
  5. Step 5: Solve for x
    x = 1,314,392,300.01/45,529.28
  6. Step 6: Final answer
    x = 28,869.17

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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.