Home / 31,352.16-47,030.16-12,629.28

Finding the Fourth Proportional to 31,352.16, 47,030.16 and 12,629.28

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Solution

The fourth proportional to 31,352.16, 47,030.16 and 12,629.28 is: 18,944.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,352.16 : 47,030.16 = 12,629.28 : x
  2. Step 2: Convert to fraction form
    31,352.16/47,030.16 = 12,629.28/x
  3. Step 3: Cross multiply
    31,352.16x = 47,030.16 × 12,629.28
  4. Step 4: Simplify right side
    31,352.16x = 593,957,059.08
  5. Step 5: Solve for x
    x = 593,957,059.08/31,352.16
  6. Step 6: Final answer
    x = 18,944.69

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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.