Home / 31,319.82-46,979.52-7,627.08

Finding the Fourth Proportional to 31,319.82, 46,979.52 and 7,627.08

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Solution

The fourth proportional to 31,319.82, 46,979.52 and 7,627.08 is: 11,440.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,319.82 : 46,979.52 = 7,627.08 : x
  2. Step 2: Convert to fraction form
    31,319.82/46,979.52 = 7,627.08/x
  3. Step 3: Cross multiply
    31,319.82x = 46,979.52 × 7,627.08
  4. Step 4: Simplify right side
    31,319.82x = 358,316,557.40
  5. Step 5: Solve for x
    x = 358,316,557.40/31,319.82
  6. Step 6: Final answer
    x = 11,440.57

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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.