Home / 31,457.58-43,410.76-18,036.73

Finding the Fourth Proportional to 31,457.58, 43,410.76 and 18,036.73

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Solution

The fourth proportional to 31,457.58, 43,410.76 and 18,036.73 is: 24,890.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,457.58 : 43,410.76 = 18,036.73 : x
  2. Step 2: Convert to fraction form
    31,457.58/43,410.76 = 18,036.73/x
  3. Step 3: Cross multiply
    31,457.58x = 43,410.76 × 18,036.73
  4. Step 4: Simplify right side
    31,457.58x = 782,988,157.21
  5. Step 5: Solve for x
    x = 782,988,157.21/31,457.58
  6. Step 6: Final answer
    x = 24,890.29

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Double scale
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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.