Home / 30,242.66-45,376.41-13,366.76

Finding the Fourth Proportional to 30,242.66, 45,376.41 and 13,366.76

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Solution

The fourth proportional to 30,242.66, 45,376.41 and 13,366.76 is: 20,055.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,242.66 : 45,376.41 = 13,366.76 : x
  2. Step 2: Convert to fraction form
    30,242.66/45,376.41 = 13,366.76/x
  3. Step 3: Cross multiply
    30,242.66x = 45,376.41 × 13,366.76
  4. Step 4: Simplify right side
    30,242.66x = 606,535,345.15
  5. Step 5: Solve for x
    x = 606,535,345.15/30,242.66
  6. Step 6: Final answer
    x = 20,055.62

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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.