Home / 46,501.91-69,742.36-13,221.25

Finding the Fourth Proportional to 46,501.91, 69,742.36 and 13,221.25

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Solution

The fourth proportional to 46,501.91, 69,742.36 and 13,221.25 is: 19,828.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,501.91 : 69,742.36 = 13,221.25 : x
  2. Step 2: Convert to fraction form
    46,501.91/69,742.36 = 13,221.25/x
  3. Step 3: Cross multiply
    46,501.91x = 69,742.36 × 13,221.25
  4. Step 4: Simplify right side
    46,501.91x = 922,080,762.33
  5. Step 5: Solve for x
    x = 922,080,762.33/46,501.91
  6. Step 6: Final answer
    x = 19,828.88

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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.