Home / 57,720.58-86,424.47-29,960.26

Finding the Fourth Proportional to 57,720.58, 86,424.47 and 29,960.26

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Solution

The fourth proportional to 57,720.58, 86,424.47 and 29,960.26 is: 44,859.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,720.58 : 86,424.47 = 29,960.26 : x
  2. Step 2: Convert to fraction form
    57,720.58/86,424.47 = 29,960.26/x
  3. Step 3: Cross multiply
    57,720.58x = 86,424.47 × 29,960.26
  4. Step 4: Simplify right side
    57,720.58x = 2,589,299,009.64
  5. Step 5: Solve for x
    x = 2,589,299,009.64/57,720.58
  6. Step 6: Final answer
    x = 44,859.20

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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.