Home / 31,209.74-46,804.88-10,428.38

Finding the Fourth Proportional to 31,209.74, 46,804.88 and 10,428.38

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Solution

The fourth proportional to 31,209.74, 46,804.88 and 10,428.38 is: 15,639.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,209.74 : 46,804.88 = 10,428.38 : x
  2. Step 2: Convert to fraction form
    31,209.74/46,804.88 = 10,428.38/x
  3. Step 3: Cross multiply
    31,209.74x = 46,804.88 × 10,428.38
  4. Step 4: Simplify right side
    31,209.74x = 488,098,866.54
  5. Step 5: Solve for x
    x = 488,098,866.54/31,209.74
  6. Step 6: Final answer
    x = 15,639.31

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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.