Home / 38,555.32-57,807.42-21,923.20

Finding the Fourth Proportional to 38,555.32, 57,807.42 and 21,923.20

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Solution

The fourth proportional to 38,555.32, 57,807.42 and 21,923.20 is: 32,870.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,555.32 : 57,807.42 = 21,923.20 : x
  2. Step 2: Convert to fraction form
    38,555.32/57,807.42 = 21,923.20/x
  3. Step 3: Cross multiply
    38,555.32x = 57,807.42 × 21,923.20
  4. Step 4: Simplify right side
    38,555.32x = 1,267,323,630.14
  5. Step 5: Solve for x
    x = 1,267,323,630.14/38,555.32
  6. Step 6: Final answer
    x = 32,870.27

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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.