Home / 61,490.20-92,235.30-39,328.60

Finding the Fourth Proportional to 61,490.20, 92,235.30 and 39,328.60

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Solution

The fourth proportional to 61,490.20, 92,235.30 and 39,328.60 is: 58,992.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,490.20 : 92,235.30 = 39,328.60 : x
  2. Step 2: Convert to fraction form
    61,490.20/92,235.30 = 39,328.60/x
  3. Step 3: Cross multiply
    61,490.20x = 92,235.30 × 39,328.60
  4. Step 4: Simplify right side
    61,490.20x = 3,627,485,219.58
  5. Step 5: Solve for x
    x = 3,627,485,219.58/61,490.20
  6. Step 6: Final answer
    x = 58,992.90

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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.