Home / 58,142.64-87,214.31-20,704.17

Finding the Fourth Proportional to 58,142.64, 87,214.31 and 20,704.17

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Solution

The fourth proportional to 58,142.64, 87,214.31 and 20,704.17 is: 31,056.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,142.64 : 87,214.31 = 20,704.17 : x
  2. Step 2: Convert to fraction form
    58,142.64/87,214.31 = 20,704.17/x
  3. Step 3: Cross multiply
    58,142.64x = 87,214.31 × 20,704.17
  4. Step 4: Simplify right side
    58,142.64x = 1,805,699,797.15
  5. Step 5: Solve for x
    x = 1,805,699,797.15/58,142.64
  6. Step 6: Final answer
    x = 31,056.38

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1.5x scale

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.