Home / 31,336.98-46,980.81-15,531.15

Finding the Fourth Proportional to 31,336.98, 46,980.81 and 15,531.15

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Solution

The fourth proportional to 31,336.98, 46,980.81 and 15,531.15 is: 23,284.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,336.98 : 46,980.81 = 15,531.15 : x
  2. Step 2: Convert to fraction form
    31,336.98/46,980.81 = 15,531.15/x
  3. Step 3: Cross multiply
    31,336.98x = 46,980.81 × 15,531.15
  4. Step 4: Simplify right side
    31,336.98x = 729,666,007.23
  5. Step 5: Solve for x
    x = 729,666,007.23/31,336.98
  6. Step 6: Final answer
    x = 23,284.50

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1.5x scale

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.