Home / 40,971.02-61,463.54-18,786.30

Finding the Fourth Proportional to 40,971.02, 61,463.54 and 18,786.30

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Solution

The fourth proportional to 40,971.02, 61,463.54 and 18,786.30 is: 28,182.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,971.02 : 61,463.54 = 18,786.30 : x
  2. Step 2: Convert to fraction form
    40,971.02/61,463.54 = 18,786.30/x
  3. Step 3: Cross multiply
    40,971.02x = 61,463.54 × 18,786.30
  4. Step 4: Simplify right side
    40,971.02x = 1,154,672,317.98
  5. Step 5: Solve for x
    x = 1,154,672,317.98/40,971.02
  6. Step 6: Final answer
    x = 28,182.66

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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.