Home / 43,050.81-64,387.37-38,340.20

Finding the Fourth Proportional to 43,050.81, 64,387.37 and 38,340.20

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Solution

The fourth proportional to 43,050.81, 64,387.37 and 38,340.20 is: 57,342.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,050.81 : 64,387.37 = 38,340.20 : x
  2. Step 2: Convert to fraction form
    43,050.81/64,387.37 = 38,340.20/x
  3. Step 3: Cross multiply
    43,050.81x = 64,387.37 × 38,340.20
  4. Step 4: Simplify right side
    43,050.81x = 2,468,624,129.64
  5. Step 5: Solve for x
    x = 2,468,624,129.64/43,050.81
  6. Step 6: Final answer
    x = 57,342.11

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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.