Home / 39,479.28-59,219.46-13,184.04

Finding the Fourth Proportional to 39,479.28, 59,219.46 and 13,184.04

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Solution

The fourth proportional to 39,479.28, 59,219.46 and 13,184.04 is: 19,776.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,479.28 : 59,219.46 = 13,184.04 : x
  2. Step 2: Convert to fraction form
    39,479.28/59,219.46 = 13,184.04/x
  3. Step 3: Cross multiply
    39,479.28x = 59,219.46 × 13,184.04
  4. Step 4: Simplify right side
    39,479.28x = 780,751,729.42
  5. Step 5: Solve for x
    x = 780,751,729.42/39,479.28
  6. Step 6: Final answer
    x = 19,776.24

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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.