Home / 63,051.28-87,009.12-34,371.50

Finding the Fourth Proportional to 63,051.28, 87,009.12 and 34,371.50

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Solution

The fourth proportional to 63,051.28, 87,009.12 and 34,371.50 is: 47,431.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,051.28 : 87,009.12 = 34,371.50 : x
  2. Step 2: Convert to fraction form
    63,051.28/87,009.12 = 34,371.50/x
  3. Step 3: Cross multiply
    63,051.28x = 87,009.12 × 34,371.50
  4. Step 4: Simplify right side
    63,051.28x = 2,990,634,185.60
  5. Step 5: Solve for x
    x = 2,990,634,185.60/63,051.28
  6. Step 6: Final answer
    x = 47,431.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.