Home / 64,008.78-96,013.20-21,889.26

Finding the Fourth Proportional to 64,008.78, 96,013.20 and 21,889.26

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Solution

The fourth proportional to 64,008.78, 96,013.20 and 21,889.26 is: 32,833.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,008.78 : 96,013.20 = 21,889.26 : x
  2. Step 2: Convert to fraction form
    64,008.78/96,013.20 = 21,889.26/x
  3. Step 3: Cross multiply
    64,008.78x = 96,013.20 × 21,889.26
  4. Step 4: Simplify right side
    64,008.78x = 2,101,657,898.23
  5. Step 5: Solve for x
    x = 2,101,657,898.23/64,008.78
  6. Step 6: Final answer
    x = 32,833.90

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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.