Home / 47,721.51-71,552.86-16,128.59

Finding the Fourth Proportional to 47,721.51, 71,552.86 and 16,128.59

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Solution

The fourth proportional to 47,721.51, 71,552.86 and 16,128.59 is: 24,182.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,721.51 : 71,552.86 = 16,128.59 : x
  2. Step 2: Convert to fraction form
    47,721.51/71,552.86 = 16,128.59/x
  3. Step 3: Cross multiply
    47,721.51x = 71,552.86 × 16,128.59
  4. Step 4: Simplify right side
    47,721.51x = 1,154,046,344.18
  5. Step 5: Solve for x
    x = 1,154,046,344.18/47,721.51
  6. Step 6: Final answer
    x = 24,182.94

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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.