Home / 31,735.62-47,319.70-30,863.72

Finding the Fourth Proportional to 31,735.62, 47,319.70 and 30,863.72

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Solution

The fourth proportional to 31,735.62, 47,319.70 and 30,863.72 is: 46,019.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,735.62 : 47,319.70 = 30,863.72 : x
  2. Step 2: Convert to fraction form
    31,735.62/47,319.70 = 30,863.72/x
  3. Step 3: Cross multiply
    31,735.62x = 47,319.70 × 30,863.72
  4. Step 4: Simplify right side
    31,735.62x = 1,460,461,935.26
  5. Step 5: Solve for x
    x = 1,460,461,935.26/31,735.62
  6. Step 6: Final answer
    x = 46,019.65

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1.5x scale

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.