Home / 37,581.04-56,372.93-12,621.90

Finding the Fourth Proportional to 37,581.04, 56,372.93 and 12,621.90

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Solution

The fourth proportional to 37,581.04, 56,372.93 and 12,621.90 is: 18,933.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,581.04 : 56,372.93 = 12,621.90 : x
  2. Step 2: Convert to fraction form
    37,581.04/56,372.93 = 12,621.90/x
  3. Step 3: Cross multiply
    37,581.04x = 56,372.93 × 12,621.90
  4. Step 4: Simplify right side
    37,581.04x = 711,533,485.17
  5. Step 5: Solve for x
    x = 711,533,485.17/37,581.04
  6. Step 6: Final answer
    x = 18,933.31

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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.