Home / 64,649.23-96,973.67-20,279.32

Finding the Fourth Proportional to 64,649.23, 96,973.67 and 20,279.32

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Solution

The fourth proportional to 64,649.23, 96,973.67 and 20,279.32 is: 30,418.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,649.23 : 96,973.67 = 20,279.32 : x
  2. Step 2: Convert to fraction form
    64,649.23/96,973.67 = 20,279.32/x
  3. Step 3: Cross multiply
    64,649.23x = 96,973.67 × 20,279.32
  4. Step 4: Simplify right side
    64,649.23x = 1,966,559,893.77
  5. Step 5: Solve for x
    x = 1,966,559,893.77/64,649.23
  6. Step 6: Final answer
    x = 30,418.92

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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.