Home / 40,970.02-61,491.66-20,993.14

Finding the Fourth Proportional to 40,970.02, 61,491.66 and 20,993.14

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Solution

The fourth proportional to 40,970.02, 61,491.66 and 20,993.14 is: 31,508.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,970.02 : 61,491.66 = 20,993.14 : x
  2. Step 2: Convert to fraction form
    40,970.02/61,491.66 = 20,993.14/x
  3. Step 3: Cross multiply
    40,970.02x = 61,491.66 × 20,993.14
  4. Step 4: Simplify right side
    40,970.02x = 1,290,903,027.21
  5. Step 5: Solve for x
    x = 1,290,903,027.21/40,970.02
  6. Step 6: Final answer
    x = 31,508.48

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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.