Home / 38,479.26-57,772.59-19,775.16

Finding the Fourth Proportional to 38,479.26, 57,772.59 and 19,775.16

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Solution

The fourth proportional to 38,479.26, 57,772.59 and 19,775.16 is: 29,690.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,479.26 : 57,772.59 = 19,775.16 : x
  2. Step 2: Convert to fraction form
    38,479.26/57,772.59 = 19,775.16/x
  3. Step 3: Cross multiply
    38,479.26x = 57,772.59 × 19,775.16
  4. Step 4: Simplify right side
    38,479.26x = 1,142,462,210.86
  5. Step 5: Solve for x
    x = 1,142,462,210.86/38,479.26
  6. Step 6: Final answer
    x = 29,690.34

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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.