Home / 58,652.44-81,007.21-39,756.76

Finding the Fourth Proportional to 58,652.44, 81,007.21 and 39,756.76

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Solution

The fourth proportional to 58,652.44, 81,007.21 and 39,756.76 is: 54,909.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,652.44 : 81,007.21 = 39,756.76 : x
  2. Step 2: Convert to fraction form
    58,652.44/81,007.21 = 39,756.76/x
  3. Step 3: Cross multiply
    58,652.44x = 81,007.21 × 39,756.76
  4. Step 4: Simplify right side
    58,652.44x = 3,220,584,206.24
  5. Step 5: Solve for x
    x = 3,220,584,206.24/58,652.44
  6. Step 6: Final answer
    x = 54,909.64

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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.