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Finding the Fourth Proportional to 48,769.80, 73,068.30 and 41,339.40

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Solution

The fourth proportional to 48,769.80, 73,068.30 and 41,339.40 is: 61,935.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,769.80 : 73,068.30 = 41,339.40 : x
  2. Step 2: Convert to fraction form
    48,769.80/73,068.30 = 41,339.40/x
  3. Step 3: Cross multiply
    48,769.80x = 73,068.30 × 41,339.40
  4. Step 4: Simplify right side
    48,769.80x = 3,020,599,681.02
  5. Step 5: Solve for x
    x = 3,020,599,681.02/48,769.80
  6. Step 6: Final answer
    x = 61,935.86

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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.