Home / 57,056.13-78,710.91-36,919.50

Finding the Fourth Proportional to 57,056.13, 78,710.91 and 36,919.50

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Solution

The fourth proportional to 57,056.13, 78,710.91 and 36,919.50 is: 50,931.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,056.13 : 78,710.91 = 36,919.50 : x
  2. Step 2: Convert to fraction form
    57,056.13/78,710.91 = 36,919.50/x
  3. Step 3: Cross multiply
    57,056.13x = 78,710.91 × 36,919.50
  4. Step 4: Simplify right side
    57,056.13x = 2,905,967,441.75
  5. Step 5: Solve for x
    x = 2,905,967,441.75/57,056.13
  6. Step 6: Final answer
    x = 50,931.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.