Home / 39,762.48-59,643.56-20,057.60

Finding the Fourth Proportional to 39,762.48, 59,643.56 and 20,057.60

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Solution

The fourth proportional to 39,762.48, 59,643.56 and 20,057.60 is: 30,086.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,762.48 : 59,643.56 = 20,057.60 : x
  2. Step 2: Convert to fraction form
    39,762.48/59,643.56 = 20,057.60/x
  3. Step 3: Cross multiply
    39,762.48x = 59,643.56 × 20,057.60
  4. Step 4: Simplify right side
    39,762.48x = 1,196,306,669.06
  5. Step 5: Solve for x
    x = 1,196,306,669.06/39,762.48
  6. Step 6: Final answer
    x = 30,086.32

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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.