Home / 42,552.22-63,837.81-12,972.36

Finding the Fourth Proportional to 42,552.22, 63,837.81 and 12,972.36

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Solution

The fourth proportional to 42,552.22, 63,837.81 and 12,972.36 is: 19,461.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,552.22 : 63,837.81 = 12,972.36 : x
  2. Step 2: Convert to fraction form
    42,552.22/63,837.81 = 12,972.36/x
  3. Step 3: Cross multiply
    42,552.22x = 63,837.81 × 12,972.36
  4. Step 4: Simplify right side
    42,552.22x = 828,126,988.07
  5. Step 5: Solve for x
    x = 828,126,988.07/42,552.22
  6. Step 6: Final answer
    x = 19,461.43

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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.