Home / 42,029.81-63,056.91-12,448.36

Finding the Fourth Proportional to 42,029.81, 63,056.91 and 12,448.36

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Solution

The fourth proportional to 42,029.81, 63,056.91 and 12,448.36 is: 18,676.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,029.81 : 63,056.91 = 12,448.36 : x
  2. Step 2: Convert to fraction form
    42,029.81/63,056.91 = 12,448.36/x
  3. Step 3: Cross multiply
    42,029.81x = 63,056.91 × 12,448.36
  4. Step 4: Simplify right side
    42,029.81x = 784,954,959.29
  5. Step 5: Solve for x
    x = 784,954,959.29/42,029.81
  6. Step 6: Final answer
    x = 18,676.15

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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.