Home / 48,004.81-72,100.64-39,126.70

Finding the Fourth Proportional to 48,004.81, 72,100.64 and 39,126.70

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Solution

The fourth proportional to 48,004.81, 72,100.64 and 39,126.70 is: 58,766.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,004.81 : 72,100.64 = 39,126.70 : x
  2. Step 2: Convert to fraction form
    48,004.81/72,100.64 = 39,126.70/x
  3. Step 3: Cross multiply
    48,004.81x = 72,100.64 × 39,126.70
  4. Step 4: Simplify right side
    48,004.81x = 2,821,060,111.09
  5. Step 5: Solve for x
    x = 2,821,060,111.09/48,004.81
  6. Step 6: Final answer
    x = 58,766.20

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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.