Home / 39,467.34-54,468.69-21,565.05

Finding the Fourth Proportional to 39,467.34, 54,468.69 and 21,565.05

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Solution

The fourth proportional to 39,467.34, 54,468.69 and 21,565.05 is: 29,761.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,467.34 : 54,468.69 = 21,565.05 : x
  2. Step 2: Convert to fraction form
    39,467.34/54,468.69 = 21,565.05/x
  3. Step 3: Cross multiply
    39,467.34x = 54,468.69 × 21,565.05
  4. Step 4: Simplify right side
    39,467.34x = 1,174,620,023.28
  5. Step 5: Solve for x
    x = 1,174,620,023.28/39,467.34
  6. Step 6: Final answer
    x = 29,761.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.