Home / 43,237.46-64,881.20-18,275.90

Finding the Fourth Proportional to 43,237.46, 64,881.20 and 18,275.90

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Solution

The fourth proportional to 43,237.46, 64,881.20 and 18,275.90 is: 27,424.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,237.46 : 64,881.20 = 18,275.90 : x
  2. Step 2: Convert to fraction form
    43,237.46/64,881.20 = 18,275.90/x
  3. Step 3: Cross multiply
    43,237.46x = 64,881.20 × 18,275.90
  4. Step 4: Simplify right side
    43,237.46x = 1,185,762,044.36
  5. Step 5: Solve for x
    x = 1,185,762,044.36/43,237.46
  6. Step 6: Final answer
    x = 27,424.41

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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.