Home / 64,346.16-96,514.56-19,971.76

Finding the Fourth Proportional to 64,346.16, 96,514.56 and 19,971.76

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Solution

The fourth proportional to 64,346.16, 96,514.56 and 19,971.76 is: 29,956.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,346.16 : 96,514.56 = 19,971.76 : x
  2. Step 2: Convert to fraction form
    64,346.16/96,514.56 = 19,971.76/x
  3. Step 3: Cross multiply
    64,346.16x = 96,514.56 × 19,971.76
  4. Step 4: Simplify right side
    64,346.16x = 1,927,565,628.83
  5. Step 5: Solve for x
    x = 1,927,565,628.83/64,346.16
  6. Step 6: Final answer
    x = 29,956.19

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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.