Home / 47,721.87-65,825.90-29,316.92

Finding the Fourth Proportional to 47,721.87, 65,825.90 and 29,316.92

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Solution

The fourth proportional to 47,721.87, 65,825.90 and 29,316.92 is: 40,438.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,721.87 : 65,825.90 = 29,316.92 : x
  2. Step 2: Convert to fraction form
    47,721.87/65,825.90 = 29,316.92/x
  3. Step 3: Cross multiply
    47,721.87x = 65,825.90 × 29,316.92
  4. Step 4: Simplify right side
    47,721.87x = 1,929,812,168.51
  5. Step 5: Solve for x
    x = 1,929,812,168.51/47,721.87
  6. Step 6: Final answer
    x = 40,438.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.