Home / 31,984.45-47,952.98-15,328.63

Finding the Fourth Proportional to 31,984.45, 47,952.98 and 15,328.63

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Solution

The fourth proportional to 31,984.45, 47,952.98 and 15,328.63 is: 22,981.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,984.45 : 47,952.98 = 15,328.63 : x
  2. Step 2: Convert to fraction form
    31,984.45/47,952.98 = 15,328.63/x
  3. Step 3: Cross multiply
    31,984.45x = 47,952.98 × 15,328.63
  4. Step 4: Simplify right side
    31,984.45x = 735,053,487.82
  5. Step 5: Solve for x
    x = 735,053,487.82/31,984.45
  6. Step 6: Final answer
    x = 22,981.59

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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.