Home / 31,864.96-47,797.44-13,155.58

Finding the Fourth Proportional to 31,864.96, 47,797.44 and 13,155.58

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Solution

The fourth proportional to 31,864.96, 47,797.44 and 13,155.58 is: 19,733.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,864.96 : 47,797.44 = 13,155.58 : x
  2. Step 2: Convert to fraction form
    31,864.96/47,797.44 = 13,155.58/x
  3. Step 3: Cross multiply
    31,864.96x = 47,797.44 × 13,155.58
  4. Step 4: Simplify right side
    31,864.96x = 628,803,045.72
  5. Step 5: Solve for x
    x = 628,803,045.72/31,864.96
  6. Step 6: Final answer
    x = 19,733.37

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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.