Home / 40,991.81-61,494.18-14,345.24

Finding the Fourth Proportional to 40,991.81, 61,494.18 and 14,345.24

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Solution

The fourth proportional to 40,991.81, 61,494.18 and 14,345.24 is: 21,520.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,991.81 : 61,494.18 = 14,345.24 : x
  2. Step 2: Convert to fraction form
    40,991.81/61,494.18 = 14,345.24/x
  3. Step 3: Cross multiply
    40,991.81x = 61,494.18 × 14,345.24
  4. Step 4: Simplify right side
    40,991.81x = 882,148,463.23
  5. Step 5: Solve for x
    x = 882,148,463.23/40,991.81
  6. Step 6: Final answer
    x = 21,520.12

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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.