Home / 49,017.60-73,490.40-19,420.80

Finding the Fourth Proportional to 49,017.60, 73,490.40 and 19,420.80

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Solution

The fourth proportional to 49,017.60, 73,490.40 and 19,420.80 is: 29,116.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,017.60 : 73,490.40 = 19,420.80 : x
  2. Step 2: Convert to fraction form
    49,017.60/73,490.40 = 19,420.80/x
  3. Step 3: Cross multiply
    49,017.60x = 73,490.40 × 19,420.80
  4. Step 4: Simplify right side
    49,017.60x = 1,427,242,360.32
  5. Step 5: Solve for x
    x = 1,427,242,360.32/49,017.60
  6. Step 6: Final answer
    x = 29,116.94

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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.