Home / 49,905.20-74,857.80-14,840.30

Finding the Fourth Proportional to 49,905.20, 74,857.80 and 14,840.30

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Solution

The fourth proportional to 49,905.20, 74,857.80 and 14,840.30 is: 22,260.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,905.20 : 74,857.80 = 14,840.30 : x
  2. Step 2: Convert to fraction form
    49,905.20/74,857.80 = 14,840.30/x
  3. Step 3: Cross multiply
    49,905.20x = 74,857.80 × 14,840.30
  4. Step 4: Simplify right side
    49,905.20x = 1,110,912,209.34
  5. Step 5: Solve for x
    x = 1,110,912,209.34/49,905.20
  6. Step 6: Final answer
    x = 22,260.45

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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.