Home / 42,219.48-63,335.70-14,511

Finding the Fourth Proportional to 42,219.48, 63,335.70 and 14,511

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Solution

The fourth proportional to 42,219.48, 63,335.70 and 14,511 is: 21,768.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,219.48 : 63,335.70 = 14,511 : x
  2. Step 2: Convert to fraction form
    42,219.48/63,335.70 = 14,511/x
  3. Step 3: Cross multiply
    42,219.48x = 63,335.70 × 14,511
  4. Step 4: Simplify right side
    42,219.48x = 919,064,342.70
  5. Step 5: Solve for x
    x = 919,064,342.70/42,219.48
  6. Step 6: Final answer
    x = 21,768.73

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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.