Home / 42,001.37-63,014.36-12,419.97

Finding the Fourth Proportional to 42,001.37, 63,014.36 and 12,419.97

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Solution

The fourth proportional to 42,001.37, 63,014.36 and 12,419.97 is: 18,633.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,001.37 : 63,014.36 = 12,419.97 : x
  2. Step 2: Convert to fraction form
    42,001.37/63,014.36 = 12,419.97/x
  3. Step 3: Cross multiply
    42,001.37x = 63,014.36 × 12,419.97
  4. Step 4: Simplify right side
    42,001.37x = 782,636,460.77
  5. Step 5: Solve for x
    x = 782,636,460.77/42,001.37
  6. Step 6: Final answer
    x = 18,633.59

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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.