Home / 30,400.53-45,548.40-27,318.93

Finding the Fourth Proportional to 30,400.53, 45,548.40 and 27,318.93

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Solution

The fourth proportional to 30,400.53, 45,548.40 and 27,318.93 is: 40,931.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,400.53 : 45,548.40 = 27,318.93 : x
  2. Step 2: Convert to fraction form
    30,400.53/45,548.40 = 27,318.93/x
  3. Step 3: Cross multiply
    30,400.53x = 45,548.40 × 27,318.93
  4. Step 4: Simplify right side
    30,400.53x = 1,244,333,551.21
  5. Step 5: Solve for x
    x = 1,244,333,551.21/30,400.53
  6. Step 6: Final answer
    x = 40,931.31

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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.