Home / 53,023.32-79,361.91-38,979.63

Finding the Fourth Proportional to 53,023.32, 79,361.91 and 38,979.63

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Solution

The fourth proportional to 53,023.32, 79,361.91 and 38,979.63 is: 58,342.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,023.32 : 79,361.91 = 38,979.63 : x
  2. Step 2: Convert to fraction form
    53,023.32/79,361.91 = 38,979.63/x
  3. Step 3: Cross multiply
    53,023.32x = 79,361.91 × 38,979.63
  4. Step 4: Simplify right side
    53,023.32x = 3,093,497,887.89
  5. Step 5: Solve for x
    x = 3,093,497,887.89/53,023.32
  6. Step 6: Final answer
    x = 58,342.21

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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.