Home / 49,756.77-74,430.11-45,377.30

Finding the Fourth Proportional to 49,756.77, 74,430.11 and 45,377.30

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Solution

The fourth proportional to 49,756.77, 74,430.11 and 45,377.30 is: 67,878.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,756.77 : 74,430.11 = 45,377.30 : x
  2. Step 2: Convert to fraction form
    49,756.77/74,430.11 = 45,377.30/x
  3. Step 3: Cross multiply
    49,756.77x = 74,430.11 × 45,377.30
  4. Step 4: Simplify right side
    49,756.77x = 3,377,436,831.47
  5. Step 5: Solve for x
    x = 3,377,436,831.47/49,756.77
  6. Step 6: Final answer
    x = 67,878.94

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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.