Home / 64,360.84-96,556.38-19,985.32

Finding the Fourth Proportional to 64,360.84, 96,556.38 and 19,985.32

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Solution

The fourth proportional to 64,360.84, 96,556.38 and 19,985.32 is: 29,982.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,360.84 : 96,556.38 = 19,985.32 : x
  2. Step 2: Convert to fraction form
    64,360.84/96,556.38 = 19,985.32/x
  3. Step 3: Cross multiply
    64,360.84x = 96,556.38 × 19,985.32
  4. Step 4: Simplify right side
    64,360.84x = 1,929,710,152.34
  5. Step 5: Solve for x
    x = 1,929,710,152.34/64,360.84
  6. Step 6: Final answer
    x = 29,982.68

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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.