Home / 57,122.94-78,838.37-35,616.20

Finding the Fourth Proportional to 57,122.94, 78,838.37 and 35,616.20

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Solution

The fourth proportional to 57,122.94, 78,838.37 and 35,616.20 is: 49,155.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,122.94 : 78,838.37 = 35,616.20 : x
  2. Step 2: Convert to fraction form
    57,122.94/78,838.37 = 35,616.20/x
  3. Step 3: Cross multiply
    57,122.94x = 78,838.37 × 35,616.20
  4. Step 4: Simplify right side
    57,122.94x = 2,807,922,581.32
  5. Step 5: Solve for x
    x = 2,807,922,581.32/57,122.94
  6. Step 6: Final answer
    x = 49,155.78

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1.5x scale

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.