Home / 56,621.80-78,057.06-37,752.04

Finding the Fourth Proportional to 56,621.80, 78,057.06 and 37,752.04

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Solution

The fourth proportional to 56,621.80, 78,057.06 and 37,752.04 is: 52,043.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,621.80 : 78,057.06 = 37,752.04 : x
  2. Step 2: Convert to fraction form
    56,621.80/78,057.06 = 37,752.04/x
  3. Step 3: Cross multiply
    56,621.80x = 78,057.06 × 37,752.04
  4. Step 4: Simplify right side
    56,621.80x = 2,946,813,251.40
  5. Step 5: Solve for x
    x = 2,946,813,251.40/56,621.80
  6. Step 6: Final answer
    x = 52,043.79

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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.