Home / 42,929.18-64,393.43-13,346.96

Finding the Fourth Proportional to 42,929.18, 64,393.43 and 13,346.96

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Solution

The fourth proportional to 42,929.18, 64,393.43 and 13,346.96 is: 20,020.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,929.18 : 64,393.43 = 13,346.96 : x
  2. Step 2: Convert to fraction form
    42,929.18/64,393.43 = 13,346.96/x
  3. Step 3: Cross multiply
    42,929.18x = 64,393.43 × 13,346.96
  4. Step 4: Simplify right side
    42,929.18x = 859,456,534.47
  5. Step 5: Solve for x
    x = 859,456,534.47/42,929.18
  6. Step 6: Final answer
    x = 20,020.33

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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.