Home / 60,968.20-91,458.78-19,405.48

Finding the Fourth Proportional to 60,968.20, 91,458.78 and 19,405.48

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Solution

The fourth proportional to 60,968.20, 91,458.78 and 19,405.48 is: 29,110.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,968.20 : 91,458.78 = 19,405.48 : x
  2. Step 2: Convert to fraction form
    60,968.20/91,458.78 = 19,405.48/x
  3. Step 3: Cross multiply
    60,968.20x = 91,458.78 × 19,405.48
  4. Step 4: Simplify right side
    60,968.20x = 1,774,801,526.11
  5. Step 5: Solve for x
    x = 1,774,801,526.11/60,968.20
  6. Step 6: Final answer
    x = 29,110.28

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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.