Home / 64,424.78-96,646.28-20,056.02

Finding the Fourth Proportional to 64,424.78, 96,646.28 and 20,056.02

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Solution

The fourth proportional to 64,424.78, 96,646.28 and 20,056.02 is: 30,086.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,424.78 : 96,646.28 = 20,056.02 : x
  2. Step 2: Convert to fraction form
    64,424.78/96,646.28 = 20,056.02/x
  3. Step 3: Cross multiply
    64,424.78x = 96,646.28 × 20,056.02
  4. Step 4: Simplify right side
    64,424.78x = 1,938,339,291.51
  5. Step 5: Solve for x
    x = 1,938,339,291.51/64,424.78
  6. Step 6: Final answer
    x = 30,086.86

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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.