Home / 42,721.29-64,090.95-16,067.53

Finding the Fourth Proportional to 42,721.29, 64,090.95 and 16,067.53

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Solution

The fourth proportional to 42,721.29, 64,090.95 and 16,067.53 is: 24,104.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,721.29 : 64,090.95 = 16,067.53 : x
  2. Step 2: Convert to fraction form
    42,721.29/64,090.95 = 16,067.53/x
  3. Step 3: Cross multiply
    42,721.29x = 64,090.95 × 16,067.53
  4. Step 4: Simplify right side
    42,721.29x = 1,029,783,281.71
  5. Step 5: Solve for x
    x = 1,029,783,281.71/42,721.29
  6. Step 6: Final answer
    x = 24,104.69

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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.