Home / 64,254.36-96,386.40-19,885.60

Finding the Fourth Proportional to 64,254.36, 96,386.40 and 19,885.60

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Solution

The fourth proportional to 64,254.36, 96,386.40 and 19,885.60 is: 29,829.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,254.36 : 96,386.40 = 19,885.60 : x
  2. Step 2: Convert to fraction form
    64,254.36/96,386.40 = 19,885.60/x
  3. Step 3: Cross multiply
    64,254.36x = 96,386.40 × 19,885.60
  4. Step 4: Simplify right side
    64,254.36x = 1,916,701,395.84
  5. Step 5: Solve for x
    x = 1,916,701,395.84/64,254.36
  6. Step 6: Final answer
    x = 29,829.90

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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.