Home / 64,364.02-96,556.35-19,980.37

Finding the Fourth Proportional to 64,364.02, 96,556.35 and 19,980.37

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Solution

The fourth proportional to 64,364.02, 96,556.35 and 19,980.37 is: 29,973.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,364.02 : 96,556.35 = 19,980.37 : x
  2. Step 2: Convert to fraction form
    64,364.02/96,556.35 = 19,980.37/x
  3. Step 3: Cross multiply
    64,364.02x = 96,556.35 × 19,980.37
  4. Step 4: Simplify right side
    64,364.02x = 1,929,231,794.47
  5. Step 5: Solve for x
    x = 1,929,231,794.47/64,364.02
  6. Step 6: Final answer
    x = 29,973.76

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1.5x scale

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.