Home / 31,330.38-47,037.69-30,999.90

Finding the Fourth Proportional to 31,330.38, 47,037.69 and 30,999.90

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Solution

The fourth proportional to 31,330.38, 47,037.69 and 30,999.90 is: 46,541.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,330.38 : 47,037.69 = 30,999.90 : x
  2. Step 2: Convert to fraction form
    31,330.38/47,037.69 = 30,999.90/x
  3. Step 3: Cross multiply
    31,330.38x = 47,037.69 × 30,999.90
  4. Step 4: Simplify right side
    31,330.38x = 1,458,163,686.23
  5. Step 5: Solve for x
    x = 1,458,163,686.23/31,330.38
  6. Step 6: Final answer
    x = 46,541.53

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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.