Home / 42,996.61-64,490.05-14,911.48

Finding the Fourth Proportional to 42,996.61, 64,490.05 and 14,911.48

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Solution

The fourth proportional to 42,996.61, 64,490.05 and 14,911.48 is: 22,365.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,996.61 : 64,490.05 = 14,911.48 : x
  2. Step 2: Convert to fraction form
    42,996.61/64,490.05 = 14,911.48/x
  3. Step 3: Cross multiply
    42,996.61x = 64,490.05 × 14,911.48
  4. Step 4: Simplify right side
    42,996.61x = 961,642,090.77
  5. Step 5: Solve for x
    x = 961,642,090.77/42,996.61
  6. Step 6: Final answer
    x = 22,365.53

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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.