Home / 43,386.20-65,005.02-23,678.60

Finding the Fourth Proportional to 43,386.20, 65,005.02 and 23,678.60

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Solution

The fourth proportional to 43,386.20, 65,005.02 and 23,678.60 is: 35,477.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,386.20 : 65,005.02 = 23,678.60 : x
  2. Step 2: Convert to fraction form
    43,386.20/65,005.02 = 23,678.60/x
  3. Step 3: Cross multiply
    43,386.20x = 65,005.02 × 23,678.60
  4. Step 4: Simplify right side
    43,386.20x = 1,539,227,866.57
  5. Step 5: Solve for x
    x = 1,539,227,866.57/43,386.20
  6. Step 6: Final answer
    x = 35,477.36

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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.