Home / 60,808.20-91,212.30-38,646.60

Finding the Fourth Proportional to 60,808.20, 91,212.30 and 38,646.60

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Solution

The fourth proportional to 60,808.20, 91,212.30 and 38,646.60 is: 57,969.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,808.20 : 91,212.30 = 38,646.60 : x
  2. Step 2: Convert to fraction form
    60,808.20/91,212.30 = 38,646.60/x
  3. Step 3: Cross multiply
    60,808.20x = 91,212.30 × 38,646.60
  4. Step 4: Simplify right side
    60,808.20x = 3,525,045,273.18
  5. Step 5: Solve for x
    x = 3,525,045,273.18/60,808.20
  6. Step 6: Final answer
    x = 57,969.90

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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.