Home / 39,007.64-58,511.16-20,278.01

Finding the Fourth Proportional to 39,007.64, 58,511.16 and 20,278.01

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Solution

The fourth proportional to 39,007.64, 58,511.16 and 20,278.01 is: 30,416.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,007.64 : 58,511.16 = 20,278.01 : x
  2. Step 2: Convert to fraction form
    39,007.64/58,511.16 = 20,278.01/x
  3. Step 3: Cross multiply
    39,007.64x = 58,511.16 × 20,278.01
  4. Step 4: Simplify right side
    39,007.64x = 1,186,490,033.87
  5. Step 5: Solve for x
    x = 1,186,490,033.87/39,007.64
  6. Step 6: Final answer
    x = 30,416.86

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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.