Home / 31,983.68-47,731.24-28,484.48

Finding the Fourth Proportional to 31,983.68, 47,731.24 and 28,484.48

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Solution

The fourth proportional to 31,983.68, 47,731.24 and 28,484.48 is: 42,509.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,983.68 : 47,731.24 = 28,484.48 : x
  2. Step 2: Convert to fraction form
    31,983.68/47,731.24 = 28,484.48/x
  3. Step 3: Cross multiply
    31,983.68x = 47,731.24 × 28,484.48
  4. Step 4: Simplify right side
    31,983.68x = 1,359,599,551.16
  5. Step 5: Solve for x
    x = 1,359,599,551.16/31,983.68
  6. Step 6: Final answer
    x = 42,509.17

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.